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Finding the Fourth Proportional to 60,861.70, 91,326.93 and 32,781.16

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Solution

The fourth proportional to 60,861.70, 91,326.93 and 32,781.16 is: 49,190.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,861.70 : 91,326.93 = 32,781.16 : x
  2. Step 2: Convert to fraction form
    60,861.70/91,326.93 = 32,781.16/x
  3. Step 3: Cross multiply
    60,861.70x = 91,326.93 × 32,781.16
  4. Step 4: Simplify right side
    60,861.70x = 2,993,802,704.64
  5. Step 5: Solve for x
    x = 2,993,802,704.64/60,861.70
  6. Step 6: Final answer
    x = 49,190.26

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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.