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Finding the Fourth Proportional to 61,288.92, 91,938.96 and 23,851.80

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Solution

The fourth proportional to 61,288.92, 91,938.96 and 23,851.80 is: 35,779.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,288.92 : 91,938.96 = 23,851.80 : x
  2. Step 2: Convert to fraction form
    61,288.92/91,938.96 = 23,851.80/x
  3. Step 3: Cross multiply
    61,288.92x = 91,938.96 × 23,851.80
  4. Step 4: Simplify right side
    61,288.92x = 2,192,909,686.13
  5. Step 5: Solve for x
    x = 2,192,909,686.13/61,288.92
  6. Step 6: Final answer
    x = 35,779.87

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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.