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Finding the Fourth Proportional to 52,801.60, 79,202.40 and 15,860.80

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Solution

The fourth proportional to 52,801.60, 79,202.40 and 15,860.80 is: 23,791.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,801.60 : 79,202.40 = 15,860.80 : x
  2. Step 2: Convert to fraction form
    52,801.60/79,202.40 = 15,860.80/x
  3. Step 3: Cross multiply
    52,801.60x = 79,202.40 × 15,860.80
  4. Step 4: Simplify right side
    52,801.60x = 1,256,213,425.92
  5. Step 5: Solve for x
    x = 1,256,213,425.92/52,801.60
  6. Step 6: Final answer
    x = 23,791.20

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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.