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Finding the Fourth Proportional to 32,104.80, 48,142.80 and 12,376.80

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Solution

The fourth proportional to 32,104.80, 48,142.80 and 12,376.80 is: 18,559.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,104.80 : 48,142.80 = 12,376.80 : x
  2. Step 2: Convert to fraction form
    32,104.80/48,142.80 = 12,376.80/x
  3. Step 3: Cross multiply
    32,104.80x = 48,142.80 × 12,376.80
  4. Step 4: Simplify right side
    32,104.80x = 595,853,807.04
  5. Step 5: Solve for x
    x = 595,853,807.04/32,104.80
  6. Step 6: Final answer
    x = 18,559.65

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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.