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Finding the Fourth Proportional to 55,472.60, 83,221.05 and 18,026.30

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Solution

The fourth proportional to 55,472.60, 83,221.05 and 18,026.30 is: 27,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,472.60 : 83,221.05 = 18,026.30 : x
  2. Step 2: Convert to fraction form
    55,472.60/83,221.05 = 18,026.30/x
  3. Step 3: Cross multiply
    55,472.60x = 83,221.05 × 18,026.30
  4. Step 4: Simplify right side
    55,472.60x = 1,500,167,613.62
  5. Step 5: Solve for x
    x = 1,500,167,613.62/55,472.60
  6. Step 6: Final answer
    x = 27,043.40

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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.