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Finding the Fourth Proportional to 69,854.70, 96,401.04 and 38,023.63

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Solution

The fourth proportional to 69,854.70, 96,401.04 and 38,023.63 is: 52,473.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,854.70 : 96,401.04 = 38,023.63 : x
  2. Step 2: Convert to fraction form
    69,854.70/96,401.04 = 38,023.63/x
  3. Step 3: Cross multiply
    69,854.70x = 96,401.04 × 38,023.63
  4. Step 4: Simplify right side
    69,854.70x = 3,665,517,092.98
  5. Step 5: Solve for x
    x = 3,665,517,092.98/69,854.70
  6. Step 6: Final answer
    x = 52,473.45

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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.