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Finding the Fourth Proportional to 25,947.34, 38,915.03 and 10,152.74

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Solution

The fourth proportional to 25,947.34, 38,915.03 and 10,152.74 is: 15,226.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,947.34 : 38,915.03 = 10,152.74 : x
  2. Step 2: Convert to fraction form
    25,947.34/38,915.03 = 10,152.74/x
  3. Step 3: Cross multiply
    25,947.34x = 38,915.03 × 10,152.74
  4. Step 4: Simplify right side
    25,947.34x = 395,094,304.35
  5. Step 5: Solve for x
    x = 395,094,304.35/25,947.34
  6. Step 6: Final answer
    x = 15,226.78

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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.