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Finding the Fourth Proportional to 32,520.84, 48,787.86 and 18,487.59

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Solution

The fourth proportional to 32,520.84, 48,787.86 and 18,487.59 is: 27,735.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,520.84 : 48,787.86 = 18,487.59 : x
  2. Step 2: Convert to fraction form
    32,520.84/48,787.86 = 18,487.59/x
  3. Step 3: Cross multiply
    32,520.84x = 48,787.86 × 18,487.59
  4. Step 4: Simplify right side
    32,520.84x = 901,969,952.66
  5. Step 5: Solve for x
    x = 901,969,952.66/32,520.84
  6. Step 6: Final answer
    x = 27,735.14

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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.