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Finding the Fourth Proportional to 32,387.18, 48,580.95 and 9,013.64

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Solution

The fourth proportional to 32,387.18, 48,580.95 and 9,013.64 is: 13,520.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,387.18 : 48,580.95 = 9,013.64 : x
  2. Step 2: Convert to fraction form
    32,387.18/48,580.95 = 9,013.64/x
  3. Step 3: Cross multiply
    32,387.18x = 48,580.95 × 9,013.64
  4. Step 4: Simplify right side
    32,387.18x = 437,891,194.16
  5. Step 5: Solve for x
    x = 437,891,194.16/32,387.18
  6. Step 6: Final answer
    x = 13,520.51

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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.