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Finding the Fourth Proportional to 69,567.76, 96,002.98 and 38,940.90

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Solution

The fourth proportional to 69,567.76, 96,002.98 and 38,940.90 is: 53,738.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,567.76 : 96,002.98 = 38,940.90 : x
  2. Step 2: Convert to fraction form
    69,567.76/96,002.98 = 38,940.90/x
  3. Step 3: Cross multiply
    69,567.76x = 96,002.98 × 38,940.90
  4. Step 4: Simplify right side
    69,567.76x = 3,738,442,443.88
  5. Step 5: Solve for x
    x = 3,738,442,443.88/69,567.76
  6. Step 6: Final answer
    x = 53,738.15

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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.