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Finding the Fourth Proportional to 32,481.60, 48,722.40 and 14,985.60

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Solution

The fourth proportional to 32,481.60, 48,722.40 and 14,985.60 is: 22,478.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,481.60 : 48,722.40 = 14,985.60 : x
  2. Step 2: Convert to fraction form
    32,481.60/48,722.40 = 14,985.60/x
  3. Step 3: Cross multiply
    32,481.60x = 48,722.40 × 14,985.60
  4. Step 4: Simplify right side
    32,481.60x = 730,134,397.44
  5. Step 5: Solve for x
    x = 730,134,397.44/32,481.60
  6. Step 6: Final answer
    x = 22,478.40

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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.