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Finding the Fourth Proportional to 32,086.77, 48,130.18 and 8,713.21

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Solution

The fourth proportional to 32,086.77, 48,130.18 and 8,713.21 is: 13,069.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,086.77 : 48,130.18 = 8,713.21 : x
  2. Step 2: Convert to fraction form
    32,086.77/48,130.18 = 8,713.21/x
  3. Step 3: Cross multiply
    32,086.77x = 48,130.18 × 8,713.21
  4. Step 4: Simplify right side
    32,086.77x = 419,368,365.68
  5. Step 5: Solve for x
    x = 419,368,365.68/32,086.77
  6. Step 6: Final answer
    x = 13,069.82

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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.