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Finding the Fourth Proportional to 15,604,315.20, 23,406,472.80 and 14,659,531.20

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Solution

The fourth proportional to 15,604,315.20, 23,406,472.80 and 14,659,531.20 is: 21,989,296.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,604,315.20 : 23,406,472.80 = 14,659,531.20 : x
  2. Step 2: Convert to fraction form
    15,604,315.20/23,406,472.80 = 14,659,531.20/x
  3. Step 3: Cross multiply
    15,604,315.20x = 23,406,472.80 × 14,659,531.20
  4. Step 4: Simplify right side
    15,604,315.20x = 343,127,918,293,551.38
  5. Step 5: Solve for x
    x = 343,127,918,293,551.38/15,604,315.20
  6. Step 6: Final answer
    x = 21,989,296.80

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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.