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Finding the Fourth Proportional to 32,515.88, 48,773.81 and 9,142.31

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Solution

The fourth proportional to 32,515.88, 48,773.81 and 9,142.31 is: 13,713.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,515.88 : 48,773.81 = 9,142.31 : x
  2. Step 2: Convert to fraction form
    32,515.88/48,773.81 = 9,142.31/x
  3. Step 3: Cross multiply
    32,515.88x = 48,773.81 × 9,142.31
  4. Step 4: Simplify right side
    32,515.88x = 445,905,435.69
  5. Step 5: Solve for x
    x = 445,905,435.69/32,515.88
  6. Step 6: Final answer
    x = 13,713.47

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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.