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Finding the Fourth Proportional to 22,117.98, 30,522.20 and 12,046.20

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Solution

The fourth proportional to 22,117.98, 30,522.20 and 12,046.20 is: 16,623.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,117.98 : 30,522.20 = 12,046.20 : x
  2. Step 2: Convert to fraction form
    22,117.98/30,522.20 = 12,046.20/x
  3. Step 3: Cross multiply
    22,117.98x = 30,522.20 × 12,046.20
  4. Step 4: Simplify right side
    22,117.98x = 367,676,312.80
  5. Step 5: Solve for x
    x = 367,676,312.80/22,117.98
  6. Step 6: Final answer
    x = 16,623.42

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.