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Finding the Fourth Proportional to 47,896,871.01, 71,890,728.21 and 29,645,858.40

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Solution

The fourth proportional to 47,896,871.01, 71,890,728.21 and 29,645,858.40 is: 44,496,901.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,896,871.01 : 71,890,728.21 = 29,645,858.40 : x
  2. Step 2: Convert to fraction form
    47,896,871.01/71,890,728.21 = 29,645,858.40/x
  3. Step 3: Cross multiply
    47,896,871.01x = 71,890,728.21 × 29,645,858.40
  4. Step 4: Simplify right side
    47,896,871.01x = 2,131,262,348,786,545.25
  5. Step 5: Solve for x
    x = 2,131,262,348,786,545.25/47,896,871.01
  6. Step 6: Final answer
    x = 44,496,901.44

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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.