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Finding the Fourth Proportional to 58,862.60, 81,230.12 and 34,677.64

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Solution

The fourth proportional to 58,862.60, 81,230.12 and 34,677.64 is: 47,854.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,862.60 : 81,230.12 = 34,677.64 : x
  2. Step 2: Convert to fraction form
    58,862.60/81,230.12 = 34,677.64/x
  3. Step 3: Cross multiply
    58,862.60x = 81,230.12 × 34,677.64
  4. Step 4: Simplify right side
    58,862.60x = 2,816,868,858.52
  5. Step 5: Solve for x
    x = 2,816,868,858.52/58,862.60
  6. Step 6: Final answer
    x = 47,854.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.