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Finding the Fourth Proportional to 22,463.76, 33,695.18 and 9,980.40

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Solution

The fourth proportional to 22,463.76, 33,695.18 and 9,980.40 is: 14,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,463.76 : 33,695.18 = 9,980.40 : x
  2. Step 2: Convert to fraction form
    22,463.76/33,695.18 = 9,980.40/x
  3. Step 3: Cross multiply
    22,463.76x = 33,695.18 × 9,980.40
  4. Step 4: Simplify right side
    22,463.76x = 336,291,374.47
  5. Step 5: Solve for x
    x = 336,291,374.47/22,463.76
  6. Step 6: Final answer
    x = 14,970.40

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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.