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Finding the Fourth Proportional to 32,253.12, 48,378.42 and 8,878.92

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Solution

The fourth proportional to 32,253.12, 48,378.42 and 8,878.92 is: 13,318.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,253.12 : 48,378.42 = 8,878.92 : x
  2. Step 2: Convert to fraction form
    32,253.12/48,378.42 = 8,878.92/x
  3. Step 3: Cross multiply
    32,253.12x = 48,378.42 × 8,878.92
  4. Step 4: Simplify right side
    32,253.12x = 429,548,120.91
  5. Step 5: Solve for x
    x = 429,548,120.91/32,253.12
  6. Step 6: Final answer
    x = 13,318.03

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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.