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Finding the Fourth Proportional to 61,660.64, 92,534.52 and 55,712

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Solution

The fourth proportional to 61,660.64, 92,534.52 and 55,712 is: 83,607.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,660.64 : 92,534.52 = 55,712 : x
  2. Step 2: Convert to fraction form
    61,660.64/92,534.52 = 55,712/x
  3. Step 3: Cross multiply
    61,660.64x = 92,534.52 × 55,712
  4. Step 4: Simplify right side
    61,660.64x = 5,155,283,178.24
  5. Step 5: Solve for x
    x = 5,155,283,178.24/61,660.64
  6. Step 6: Final answer
    x = 83,607.36

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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.