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Finding the Fourth Proportional to 32,100.40, 48,150.60 and 21,602.80

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Solution

The fourth proportional to 32,100.40, 48,150.60 and 21,602.80 is: 32,404.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,100.40 : 48,150.60 = 21,602.80 : x
  2. Step 2: Convert to fraction form
    32,100.40/48,150.60 = 21,602.80/x
  3. Step 3: Cross multiply
    32,100.40x = 48,150.60 × 21,602.80
  4. Step 4: Simplify right side
    32,100.40x = 1,040,187,781.68
  5. Step 5: Solve for x
    x = 1,040,187,781.68/32,100.40
  6. Step 6: Final answer
    x = 32,404.20

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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.