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Finding the Fourth Proportional to 27,229,675.55, 38,217,205.15 and 27,229,675.55

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Solution

The fourth proportional to 27,229,675.55, 38,217,205.15 and 27,229,675.55 is: 38,217,205.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,229,675.55 : 38,217,205.15 = 27,229,675.55 : x
  2. Step 2: Convert to fraction form
    27,229,675.55/38,217,205.15 = 27,229,675.55/x
  3. Step 3: Cross multiply
    27,229,675.55x = 38,217,205.15 × 27,229,675.55
  4. Step 4: Simplify right side
    27,229,675.55x = 1,040,642,096,662,289.12
  5. Step 5: Solve for x
    x = 1,040,642,096,662,289.12/27,229,675.55
  6. Step 6: Final answer
    x = 38,217,205.15

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.