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Finding the Fourth Proportional to 52,754.68, 72,801.56 and 28,882.87

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Solution

The fourth proportional to 52,754.68, 72,801.56 and 28,882.87 is: 39,858.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,754.68 : 72,801.56 = 28,882.87 : x
  2. Step 2: Convert to fraction form
    52,754.68/72,801.56 = 28,882.87/x
  3. Step 3: Cross multiply
    52,754.68x = 72,801.56 × 28,882.87
  4. Step 4: Simplify right side
    52,754.68x = 2,102,717,484.86
  5. Step 5: Solve for x
    x = 2,102,717,484.86/52,754.68
  6. Step 6: Final answer
    x = 39,858.41

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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.