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Finding the Fourth Proportional to 63,073.60, 87,037.60 and 34,779.52

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Solution

The fourth proportional to 63,073.60, 87,037.60 and 34,779.52 is: 47,993.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,073.60 : 87,037.60 = 34,779.52 : x
  2. Step 2: Convert to fraction form
    63,073.60/87,037.60 = 34,779.52/x
  3. Step 3: Cross multiply
    63,073.60x = 87,037.60 × 34,779.52
  4. Step 4: Simplify right side
    63,073.60x = 3,027,125,949.95
  5. Step 5: Solve for x
    x = 3,027,125,949.95/63,073.60
  6. Step 6: Final answer
    x = 47,993.55

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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.