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Finding the Fourth Proportional to 52,801.80, 79,202.76 and 15,865.80

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Solution

The fourth proportional to 52,801.80, 79,202.76 and 15,865.80 is: 23,798.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,801.80 : 79,202.76 = 15,865.80 : x
  2. Step 2: Convert to fraction form
    52,801.80/79,202.76 = 15,865.80/x
  3. Step 3: Cross multiply
    52,801.80x = 79,202.76 × 15,865.80
  4. Step 4: Simplify right side
    52,801.80x = 1,256,615,149.61
  5. Step 5: Solve for x
    x = 1,256,615,149.61/52,801.80
  6. Step 6: Final answer
    x = 23,798.72

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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.