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Finding the Fourth Proportional to 55,963.68, 77,236.56 and 32,998.69

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Solution

The fourth proportional to 55,963.68, 77,236.56 and 32,998.69 is: 45,542.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,963.68 : 77,236.56 = 32,998.69 : x
  2. Step 2: Convert to fraction form
    55,963.68/77,236.56 = 32,998.69/x
  3. Step 3: Cross multiply
    55,963.68x = 77,236.56 × 32,998.69
  4. Step 4: Simplify right side
    55,963.68x = 2,548,705,489.46
  5. Step 5: Solve for x
    x = 2,548,705,489.46/55,963.68
  6. Step 6: Final answer
    x = 45,542.13

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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.