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Finding the Fourth Proportional to 27,648,053.70, 41,472,080.55 and 27,480,092.10

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Solution

The fourth proportional to 27,648,053.70, 41,472,080.55 and 27,480,092.10 is: 41,220,138.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,648,053.70 : 41,472,080.55 = 27,480,092.10 : x
  2. Step 2: Convert to fraction form
    27,648,053.70/41,472,080.55 = 27,480,092.10/x
  3. Step 3: Cross multiply
    27,648,053.70x = 41,472,080.55 × 27,480,092.10
  4. Step 4: Simplify right side
    27,648,053.70x = 1,139,656,593,092,618.75
  5. Step 5: Solve for x
    x = 1,139,656,593,092,618.75/27,648,053.70
  6. Step 6: Final answer
    x = 41,220,138.15

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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.