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Finding the Fourth Proportional to 25,801.52, 38,719.54 and 9,385.52

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Solution

The fourth proportional to 25,801.52, 38,719.54 and 9,385.52 is: 14,084.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,801.52 : 38,719.54 = 9,385.52 : x
  2. Step 2: Convert to fraction form
    25,801.52/38,719.54 = 9,385.52/x
  3. Step 3: Cross multiply
    25,801.52x = 38,719.54 × 9,385.52
  4. Step 4: Simplify right side
    25,801.52x = 363,403,017.06
  5. Step 5: Solve for x
    x = 363,403,017.06/25,801.52
  6. Step 6: Final answer
    x = 14,084.56

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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.