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Finding the Fourth Proportional to 36,261.60, 54,391.04 and 9,965.66

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Solution

The fourth proportional to 36,261.60, 54,391.04 and 9,965.66 is: 14,948.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,261.60 : 54,391.04 = 9,965.66 : x
  2. Step 2: Convert to fraction form
    36,261.60/54,391.04 = 9,965.66/x
  3. Step 3: Cross multiply
    36,261.60x = 54,391.04 × 9,965.66
  4. Step 4: Simplify right side
    36,261.60x = 542,042,561.86
  5. Step 5: Solve for x
    x = 542,042,561.86/36,261.60
  6. Step 6: Final answer
    x = 14,948.11

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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.