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Finding the Fourth Proportional to 10,656,069.70, 15,984,104.55 and 10,656,069.70

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Solution

The fourth proportional to 10,656,069.70, 15,984,104.55 and 10,656,069.70 is: 15,984,104.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656,069.70 : 15,984,104.55 = 10,656,069.70 : x
  2. Step 2: Convert to fraction form
    10,656,069.70/15,984,104.55 = 10,656,069.70/x
  3. Step 3: Cross multiply
    10,656,069.70x = 15,984,104.55 × 10,656,069.70
  4. Step 4: Simplify right side
    10,656,069.70x = 170,327,732,176,887.12
  5. Step 5: Solve for x
    x = 170,327,732,176,887.12/10,656,069.70
  6. Step 6: Final answer
    x = 15,984,104.55

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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.