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Finding the Fourth Proportional to 32,278.61, 48,420.70 and 8,905.04

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Solution

The fourth proportional to 32,278.61, 48,420.70 and 8,905.04 is: 13,358.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,278.61 : 48,420.70 = 8,905.04 : x
  2. Step 2: Convert to fraction form
    32,278.61/48,420.70 = 8,905.04/x
  3. Step 3: Cross multiply
    32,278.61x = 48,420.70 × 8,905.04
  4. Step 4: Simplify right side
    32,278.61x = 431,188,404.34
  5. Step 5: Solve for x
    x = 431,188,404.34/32,278.61
  6. Step 6: Final answer
    x = 13,358.33

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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.