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Finding the Fourth Proportional to 55,565.64, 83,311.56 and 30,617.64

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Solution

The fourth proportional to 55,565.64, 83,311.56 and 30,617.64 is: 45,906.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,565.64 : 83,311.56 = 30,617.64 : x
  2. Step 2: Convert to fraction form
    55,565.64/83,311.56 = 30,617.64/x
  3. Step 3: Cross multiply
    55,565.64x = 83,311.56 × 30,617.64
  4. Step 4: Simplify right side
    55,565.64x = 2,550,803,351.92
  5. Step 5: Solve for x
    x = 2,550,803,351.92/55,565.64
  6. Step 6: Final answer
    x = 45,906.13

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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.