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Finding the Fourth Proportional to 32,609.20, 48,913.80 and 19,487.20

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Solution

The fourth proportional to 32,609.20, 48,913.80 and 19,487.20 is: 29,230.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,609.20 : 48,913.80 = 19,487.20 : x
  2. Step 2: Convert to fraction form
    32,609.20/48,913.80 = 19,487.20/x
  3. Step 3: Cross multiply
    32,609.20x = 48,913.80 × 19,487.20
  4. Step 4: Simplify right side
    32,609.20x = 953,193,003.36
  5. Step 5: Solve for x
    x = 953,193,003.36/32,609.20
  6. Step 6: Final answer
    x = 29,230.80

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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.