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Finding the Fourth Proportional to 32,487.60, 48,693.60 and 14,959.20

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Solution

The fourth proportional to 32,487.60, 48,693.60 and 14,959.20 is: 22,421.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,487.60 : 48,693.60 = 14,959.20 : x
  2. Step 2: Convert to fraction form
    32,487.60/48,693.60 = 14,959.20/x
  3. Step 3: Cross multiply
    32,487.60x = 48,693.60 × 14,959.20
  4. Step 4: Simplify right side
    32,487.60x = 728,417,301.12
  5. Step 5: Solve for x
    x = 728,417,301.12/32,487.60
  6. Step 6: Final answer
    x = 22,421.39

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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.