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Finding the Fourth Proportional to 32,442.60, 48,663.90 and 30,474.30

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Solution

The fourth proportional to 32,442.60, 48,663.90 and 30,474.30 is: 45,711.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,442.60 : 48,663.90 = 30,474.30 : x
  2. Step 2: Convert to fraction form
    32,442.60/48,663.90 = 30,474.30/x
  3. Step 3: Cross multiply
    32,442.60x = 48,663.90 × 30,474.30
  4. Step 4: Simplify right side
    32,442.60x = 1,482,998,287.77
  5. Step 5: Solve for x
    x = 1,482,998,287.77/32,442.60
  6. Step 6: Final answer
    x = 45,711.45

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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.