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Finding the Fourth Proportional to 52,452.78, 72,383.93 and 28,579.65

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Solution

The fourth proportional to 52,452.78, 72,383.93 and 28,579.65 is: 39,439.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,452.78 : 72,383.93 = 28,579.65 : x
  2. Step 2: Convert to fraction form
    52,452.78/72,383.93 = 28,579.65/x
  3. Step 3: Cross multiply
    52,452.78x = 72,383.93 × 28,579.65
  4. Step 4: Simplify right side
    52,452.78x = 2,068,707,242.13
  5. Step 5: Solve for x
    x = 2,068,707,242.13/52,452.78
  6. Step 6: Final answer
    x = 39,439.42

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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.