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Finding the Fourth Proportional to 55,484.80, 83,227.20 and 32,171.20

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Solution

The fourth proportional to 55,484.80, 83,227.20 and 32,171.20 is: 48,256.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,484.80 : 83,227.20 = 32,171.20 : x
  2. Step 2: Convert to fraction form
    55,484.80/83,227.20 = 32,171.20/x
  3. Step 3: Cross multiply
    55,484.80x = 83,227.20 × 32,171.20
  4. Step 4: Simplify right side
    55,484.80x = 2,677,518,896.64
  5. Step 5: Solve for x
    x = 2,677,518,896.64/55,484.80
  6. Step 6: Final answer
    x = 48,256.80

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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.