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Finding the Fourth Proportional to 38,306.34, 57,425.40 and 14,927.40

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Solution

The fourth proportional to 38,306.34, 57,425.40 and 14,927.40 is: 22,377.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,306.34 : 57,425.40 = 14,927.40 : x
  2. Step 2: Convert to fraction form
    38,306.34/57,425.40 = 14,927.40/x
  3. Step 3: Cross multiply
    38,306.34x = 57,425.40 × 14,927.40
  4. Step 4: Simplify right side
    38,306.34x = 857,211,915.96
  5. Step 5: Solve for x
    x = 857,211,915.96/38,306.34
  6. Step 6: Final answer
    x = 22,377.81

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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.