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Finding the Fourth Proportional to 55,963.97, 83,925.80 and 18,517.13

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Solution

The fourth proportional to 55,963.97, 83,925.80 and 18,517.13 is: 27,769.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,963.97 : 83,925.80 = 18,517.13 : x
  2. Step 2: Convert to fraction form
    55,963.97/83,925.80 = 18,517.13/x
  3. Step 3: Cross multiply
    55,963.97x = 83,925.80 × 18,517.13
  4. Step 4: Simplify right side
    55,963.97x = 1,554,064,856.37
  5. Step 5: Solve for x
    x = 1,554,064,856.37/55,963.97
  6. Step 6: Final answer
    x = 27,769.02

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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.