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Finding the Fourth Proportional to 63,237.80, 87,308.86 and 40,586.56

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Solution

The fourth proportional to 63,237.80, 87,308.86 and 40,586.56 is: 56,035.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,237.80 : 87,308.86 = 40,586.56 : x
  2. Step 2: Convert to fraction form
    63,237.80/87,308.86 = 40,586.56/x
  3. Step 3: Cross multiply
    63,237.80x = 87,308.86 × 40,586.56
  4. Step 4: Simplify right side
    63,237.80x = 3,543,566,284.92
  5. Step 5: Solve for x
    x = 3,543,566,284.92/63,237.80
  6. Step 6: Final answer
    x = 56,035.57

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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.