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Finding the Fourth Proportional to 84,372.16, 126,593.16 and 36,962.76

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Solution

The fourth proportional to 84,372.16, 126,593.16 and 36,962.76 is: 55,459.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,372.16 : 126,593.16 = 36,962.76 : x
  2. Step 2: Convert to fraction form
    84,372.16/126,593.16 = 36,962.76/x
  3. Step 3: Cross multiply
    84,372.16x = 126,593.16 × 36,962.76
  4. Step 4: Simplify right side
    84,372.16x = 4,679,232,590.72
  5. Step 5: Solve for x
    x = 4,679,232,590.72/84,372.16
  6. Step 6: Final answer
    x = 55,459.44

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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.