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Finding the Fourth Proportional to 38,353.80, 52,915.55 and 22,426.97

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Solution

The fourth proportional to 38,353.80, 52,915.55 and 22,426.97 is: 30,941.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,353.80 : 52,915.55 = 22,426.97 : x
  2. Step 2: Convert to fraction form
    38,353.80/52,915.55 = 22,426.97/x
  3. Step 3: Cross multiply
    38,353.80x = 52,915.55 × 22,426.97
  4. Step 4: Simplify right side
    38,353.80x = 1,186,735,452.38
  5. Step 5: Solve for x
    x = 1,186,735,452.38/38,353.80
  6. Step 6: Final answer
    x = 30,941.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.