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Finding the Fourth Proportional to 41,015.40, 61,551.90 and 17,658.60

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Solution

The fourth proportional to 41,015.40, 61,551.90 and 17,658.60 is: 26,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,015.40 : 61,551.90 = 17,658.60 : x
  2. Step 2: Convert to fraction form
    41,015.40/61,551.90 = 17,658.60/x
  3. Step 3: Cross multiply
    41,015.40x = 61,551.90 × 17,658.60
  4. Step 4: Simplify right side
    41,015.40x = 1,086,920,381.34
  5. Step 5: Solve for x
    x = 1,086,920,381.34/41,015.40
  6. Step 6: Final answer
    x = 26,500.30

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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.