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Finding the Fourth Proportional to 41,592.70, 62,428.20 and 21,885.40

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Solution

The fourth proportional to 41,592.70, 62,428.20 and 21,885.40 is: 32,848.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,592.70 : 62,428.20 = 21,885.40 : x
  2. Step 2: Convert to fraction form
    41,592.70/62,428.20 = 21,885.40/x
  3. Step 3: Cross multiply
    41,592.70x = 62,428.20 × 21,885.40
  4. Step 4: Simplify right side
    41,592.70x = 1,366,266,128.28
  5. Step 5: Solve for x
    x = 1,366,266,128.28/41,592.70
  6. Step 6: Final answer
    x = 32,848.70

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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.