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Finding the Fourth Proportional to 15,943,607.70, 23,915,411.55 and 15,061,809.30

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Solution

The fourth proportional to 15,943,607.70, 23,915,411.55 and 15,061,809.30 is: 22,592,713.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,943,607.70 : 23,915,411.55 = 15,061,809.30 : x
  2. Step 2: Convert to fraction form
    15,943,607.70/23,915,411.55 = 15,061,809.30/x
  3. Step 3: Cross multiply
    15,943,607.70x = 23,915,411.55 × 15,061,809.30
  4. Step 4: Simplify right side
    15,943,607.70x = 360,209,368,097,117.44
  5. Step 5: Solve for x
    x = 360,209,368,097,117.44/15,943,607.70
  6. Step 6: Final answer
    x = 22,592,713.95

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Double scale
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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.