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Finding the Fourth Proportional to 10,402,917.30, 15,604,375.95 and 9,773,061.30

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Solution

The fourth proportional to 10,402,917.30, 15,604,375.95 and 9,773,061.30 is: 14,659,591.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,402,917.30 : 15,604,375.95 = 9,773,061.30 : x
  2. Step 2: Convert to fraction form
    10,402,917.30/15,604,375.95 = 9,773,061.30/x
  3. Step 3: Cross multiply
    10,402,917.30x = 15,604,375.95 × 9,773,061.30
  4. Step 4: Simplify right side
    10,402,917.30x = 152,502,522,707,595.75
  5. Step 5: Solve for x
    x = 152,502,522,707,595.75/10,402,917.30
  6. Step 6: Final answer
    x = 14,659,591.95

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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.