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Finding the Fourth Proportional to 32,385.66, 48,565.77 and 15,740.82

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Solution

The fourth proportional to 32,385.66, 48,565.77 and 15,740.82 is: 23,605.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,385.66 : 48,565.77 = 15,740.82 : x
  2. Step 2: Convert to fraction form
    32,385.66/48,565.77 = 15,740.82/x
  3. Step 3: Cross multiply
    32,385.66x = 48,565.77 × 15,740.82
  4. Step 4: Simplify right side
    32,385.66x = 764,465,043.73
  5. Step 5: Solve for x
    x = 764,465,043.73/32,385.66
  6. Step 6: Final answer
    x = 23,605.05

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1.5x scale

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.