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Finding the Fourth Proportional to 55,713.96, 82,991.88 and 52,695.84

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Solution

The fourth proportional to 55,713.96, 82,991.88 and 52,695.84 is: 78,496.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,713.96 : 82,991.88 = 52,695.84 : x
  2. Step 2: Convert to fraction form
    55,713.96/82,991.88 = 52,695.84/x
  3. Step 3: Cross multiply
    55,713.96x = 82,991.88 × 52,695.84
  4. Step 4: Simplify right side
    55,713.96x = 4,373,326,829.78
  5. Step 5: Solve for x
    x = 4,373,326,829.78/55,713.96
  6. Step 6: Final answer
    x = 78,496.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.