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Finding the Fourth Proportional to 32,136.60, 48,204.90 and 28,248.60

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Solution

The fourth proportional to 32,136.60, 48,204.90 and 28,248.60 is: 42,372.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,136.60 : 48,204.90 = 28,248.60 : x
  2. Step 2: Convert to fraction form
    32,136.60/48,204.90 = 28,248.60/x
  3. Step 3: Cross multiply
    32,136.60x = 48,204.90 × 28,248.60
  4. Step 4: Simplify right side
    32,136.60x = 1,361,720,938.14
  5. Step 5: Solve for x
    x = 1,361,720,938.14/32,136.60
  6. Step 6: Final answer
    x = 42,372.90

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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.