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Finding the Fourth Proportional to 56,760.99, 78,337.68 and 36,676.28

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Solution

The fourth proportional to 56,760.99, 78,337.68 and 36,676.28 is: 50,618.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,760.99 : 78,337.68 = 36,676.28 : x
  2. Step 2: Convert to fraction form
    56,760.99/78,337.68 = 36,676.28/x
  3. Step 3: Cross multiply
    56,760.99x = 78,337.68 × 36,676.28
  4. Step 4: Simplify right side
    56,760.99x = 2,873,134,294.54
  5. Step 5: Solve for x
    x = 2,873,134,294.54/56,760.99
  6. Step 6: Final answer
    x = 50,618.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.