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Finding the Fourth Proportional to 52,754.76, 72,801.61 and 28,882.88

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Solution

The fourth proportional to 52,754.76, 72,801.61 and 28,882.88 is: 39,858.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,754.76 : 72,801.61 = 28,882.88 : x
  2. Step 2: Convert to fraction form
    52,754.76/72,801.61 = 28,882.88/x
  3. Step 3: Cross multiply
    52,754.76x = 72,801.61 × 28,882.88
  4. Step 4: Simplify right side
    52,754.76x = 2,102,720,165.44
  5. Step 5: Solve for x
    x = 2,102,720,165.44/52,754.76
  6. Step 6: Final answer
    x = 39,858.40

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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.