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Finding the Fourth Proportional to 58,851.60, 88,277.40 and 21,453.90

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Solution

The fourth proportional to 58,851.60, 88,277.40 and 21,453.90 is: 32,180.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,851.60 : 88,277.40 = 21,453.90 : x
  2. Step 2: Convert to fraction form
    58,851.60/88,277.40 = 21,453.90/x
  3. Step 3: Cross multiply
    58,851.60x = 88,277.40 × 21,453.90
  4. Step 4: Simplify right side
    58,851.60x = 1,893,894,511.86
  5. Step 5: Solve for x
    x = 1,893,894,511.86/58,851.60
  6. Step 6: Final answer
    x = 32,180.85

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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.