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Finding the Fourth Proportional to 25,352.40, 38,059.80 and 15,992.40

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Solution

The fourth proportional to 25,352.40, 38,059.80 and 15,992.40 is: 24,008.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,352.40 : 38,059.80 = 15,992.40 : x
  2. Step 2: Convert to fraction form
    25,352.40/38,059.80 = 15,992.40/x
  3. Step 3: Cross multiply
    25,352.40x = 38,059.80 × 15,992.40
  4. Step 4: Simplify right side
    25,352.40x = 608,667,545.52
  5. Step 5: Solve for x
    x = 608,667,545.52/25,352.40
  6. Step 6: Final answer
    x = 24,008.28

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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.