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Finding the Fourth Proportional to 63,417.60, 87,517.52 and 36,555.60

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Solution

The fourth proportional to 63,417.60, 87,517.52 and 36,555.60 is: 50,447.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,417.60 : 87,517.52 = 36,555.60 : x
  2. Step 2: Convert to fraction form
    63,417.60/87,517.52 = 36,555.60/x
  3. Step 3: Cross multiply
    63,417.60x = 87,517.52 × 36,555.60
  4. Step 4: Simplify right side
    63,417.60x = 3,199,255,454.11
  5. Step 5: Solve for x
    x = 3,199,255,454.11/63,417.60
  6. Step 6: Final answer
    x = 50,447.44

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1.5x scale

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.