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Finding the Fourth Proportional to 63,237.28, 87,309.84 and 39,373.60

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Solution

The fourth proportional to 63,237.28, 87,309.84 and 39,373.60 is: 54,361.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,237.28 : 87,309.84 = 39,373.60 : x
  2. Step 2: Convert to fraction form
    63,237.28/87,309.84 = 39,373.60/x
  3. Step 3: Cross multiply
    63,237.28x = 87,309.84 × 39,373.60
  4. Step 4: Simplify right side
    63,237.28x = 3,437,702,716.22
  5. Step 5: Solve for x
    x = 3,437,702,716.22/63,237.28
  6. Step 6: Final answer
    x = 54,361.96

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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.