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Finding the Fourth Proportional to 25,792.61, 38,734.27 and 25,423.25

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Solution

The fourth proportional to 25,792.61, 38,734.27 and 25,423.25 is: 38,179.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,792.61 : 38,734.27 = 25,423.25 : x
  2. Step 2: Convert to fraction form
    25,792.61/38,734.27 = 25,423.25/x
  3. Step 3: Cross multiply
    25,792.61x = 38,734.27 × 25,423.25
  4. Step 4: Simplify right side
    25,792.61x = 984,750,772.55
  5. Step 5: Solve for x
    x = 984,750,772.55/25,792.61
  6. Step 6: Final answer
    x = 38,179.58

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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.