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Finding the Fourth Proportional to 63,243.59, 87,294.51 and 36,405.05

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Solution

The fourth proportional to 63,243.59, 87,294.51 and 36,405.05 is: 50,249.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,243.59 : 87,294.51 = 36,405.05 : x
  2. Step 2: Convert to fraction form
    63,243.59/87,294.51 = 36,405.05/x
  3. Step 3: Cross multiply
    63,243.59x = 87,294.51 × 36,405.05
  4. Step 4: Simplify right side
    63,243.59x = 3,177,960,564.80
  5. Step 5: Solve for x
    x = 3,177,960,564.80/63,243.59
  6. Step 6: Final answer
    x = 50,249.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.