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Finding the Fourth Proportional to 76,572.67, 114,859.01 and 23,986.25

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Solution

The fourth proportional to 76,572.67, 114,859.01 and 23,986.25 is: 35,979.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,572.67 : 114,859.01 = 23,986.25 : x
  2. Step 2: Convert to fraction form
    76,572.67/114,859.01 = 23,986.25/x
  3. Step 3: Cross multiply
    76,572.67x = 114,859.01 × 23,986.25
  4. Step 4: Simplify right side
    76,572.67x = 2,755,036,928.61
  5. Step 5: Solve for x
    x = 2,755,036,928.61/76,572.67
  6. Step 6: Final answer
    x = 35,979.38

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Double scale
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Similar ratio
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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.