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Finding the Fourth Proportional to 51,562.90, 72,013.10 and 51,562.90

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Solution

The fourth proportional to 51,562.90, 72,013.10 and 51,562.90 is: 72,013.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,562.90 : 72,013.10 = 51,562.90 : x
  2. Step 2: Convert to fraction form
    51,562.90/72,013.10 = 51,562.90/x
  3. Step 3: Cross multiply
    51,562.90x = 72,013.10 × 51,562.90
  4. Step 4: Simplify right side
    51,562.90x = 3,713,204,273.99
  5. Step 5: Solve for x
    x = 3,713,204,273.99/51,562.90
  6. Step 6: Final answer
    x = 72,013.10

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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.