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Finding the Fourth Proportional to 82,337.56, 113,623.46 and 48,345.48

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Solution

The fourth proportional to 82,337.56, 113,623.46 and 48,345.48 is: 66,715.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,337.56 : 113,623.46 = 48,345.48 : x
  2. Step 2: Convert to fraction form
    82,337.56/113,623.46 = 48,345.48/x
  3. Step 3: Cross multiply
    82,337.56x = 113,623.46 × 48,345.48
  4. Step 4: Simplify right side
    82,337.56x = 5,493,180,712.96
  5. Step 5: Solve for x
    x = 5,493,180,712.96/82,337.56
  6. Step 6: Final answer
    x = 66,715.37

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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.