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Finding the Fourth Proportional to 15,209.98, 22,814.97 and 6,888.44

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Solution

The fourth proportional to 15,209.98, 22,814.97 and 6,888.44 is: 10,332.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,209.98 : 22,814.97 = 6,888.44 : x
  2. Step 2: Convert to fraction form
    15,209.98/22,814.97 = 6,888.44/x
  3. Step 3: Cross multiply
    15,209.98x = 22,814.97 × 6,888.44
  4. Step 4: Simplify right side
    15,209.98x = 157,159,583.15
  5. Step 5: Solve for x
    x = 157,159,583.15/15,209.98
  6. Step 6: Final answer
    x = 10,332.66

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.