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Finding the Fourth Proportional to 61,011.57, 91,543.56 and 23,597.90

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Solution

The fourth proportional to 61,011.57, 91,543.56 and 23,597.90 is: 35,406.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,011.57 : 91,543.56 = 23,597.90 : x
  2. Step 2: Convert to fraction form
    61,011.57/91,543.56 = 23,597.90/x
  3. Step 3: Cross multiply
    61,011.57x = 91,543.56 × 23,597.90
  4. Step 4: Simplify right side
    61,011.57x = 2,160,235,774.52
  5. Step 5: Solve for x
    x = 2,160,235,774.52/61,011.57
  6. Step 6: Final answer
    x = 35,406.99

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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.