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Finding the Fourth Proportional to 22,331.59, 33,453.59 and 12,951.90

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Solution

The fourth proportional to 22,331.59, 33,453.59 and 12,951.90 is: 19,402.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,331.59 : 33,453.59 = 12,951.90 : x
  2. Step 2: Convert to fraction form
    22,331.59/33,453.59 = 12,951.90/x
  3. Step 3: Cross multiply
    22,331.59x = 33,453.59 × 12,951.90
  4. Step 4: Simplify right side
    22,331.59x = 433,287,552.32
  5. Step 5: Solve for x
    x = 433,287,552.32/22,331.59
  6. Step 6: Final answer
    x = 19,402.45

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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.