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Finding the Fourth Proportional to 31,910,588.55, 47,865,882.83 and 31,910,588.55

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Solution

The fourth proportional to 31,910,588.55, 47,865,882.83 and 31,910,588.55 is: 47,865,882.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,910,588.55 : 47,865,882.83 = 31,910,588.55 : x
  2. Step 2: Convert to fraction form
    31,910,588.55/47,865,882.83 = 31,910,588.55/x
  3. Step 3: Cross multiply
    31,910,588.55x = 47,865,882.83 × 31,910,588.55
  4. Step 4: Simplify right side
    31,910,588.55x = 1,527,428,492,411,086.75
  5. Step 5: Solve for x
    x = 1,527,428,492,411,086.75/31,910,588.55
  6. Step 6: Final answer
    x = 47,865,882.83

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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.