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Finding the Fourth Proportional to 83,952.50, 125,928.75 and 27,777.53

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Solution

The fourth proportional to 83,952.50, 125,928.75 and 27,777.53 is: 41,666.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,952.50 : 125,928.75 = 27,777.53 : x
  2. Step 2: Convert to fraction form
    83,952.50/125,928.75 = 27,777.53/x
  3. Step 3: Cross multiply
    83,952.50x = 125,928.75 × 27,777.53
  4. Step 4: Simplify right side
    83,952.50x = 3,497,989,001.34
  5. Step 5: Solve for x
    x = 3,497,989,001.34/83,952.50
  6. Step 6: Final answer
    x = 41,666.29

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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.