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Finding the Fourth Proportional to 32,478.60, 48,717.90 and 14,982.60

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Solution

The fourth proportional to 32,478.60, 48,717.90 and 14,982.60 is: 22,473.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,478.60 : 48,717.90 = 14,982.60 : x
  2. Step 2: Convert to fraction form
    32,478.60/48,717.90 = 14,982.60/x
  3. Step 3: Cross multiply
    32,478.60x = 48,717.90 × 14,982.60
  4. Step 4: Simplify right side
    32,478.60x = 729,920,808.54
  5. Step 5: Solve for x
    x = 729,920,808.54/32,478.60
  6. Step 6: Final answer
    x = 22,473.90

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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.