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Finding the Fourth Proportional to 63,576.54, 87,715.35 and 36,715.50

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Solution

The fourth proportional to 63,576.54, 87,715.35 and 36,715.50 is: 50,655.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,576.54 : 87,715.35 = 36,715.50 : x
  2. Step 2: Convert to fraction form
    63,576.54/87,715.35 = 36,715.50/x
  3. Step 3: Cross multiply
    63,576.54x = 87,715.35 × 36,715.50
  4. Step 4: Simplify right side
    63,576.54x = 3,220,512,932.93
  5. Step 5: Solve for x
    x = 3,220,512,932.93/63,576.54
  6. Step 6: Final answer
    x = 50,655.68

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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.