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Finding the Fourth Proportional to 25,407.91, 38,103.78 and 23,749.45

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Solution

The fourth proportional to 25,407.91, 38,103.78 and 23,749.45 is: 35,616.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,407.91 : 38,103.78 = 23,749.45 : x
  2. Step 2: Convert to fraction form
    25,407.91/38,103.78 = 23,749.45/x
  3. Step 3: Cross multiply
    25,407.91x = 38,103.78 × 23,749.45
  4. Step 4: Simplify right side
    25,407.91x = 904,943,817.92
  5. Step 5: Solve for x
    x = 904,943,817.92/25,407.91
  6. Step 6: Final answer
    x = 35,616.62

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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.