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Finding the Fourth Proportional to 69,854.58, 96,401.04 and 38,025.21

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Solution

The fourth proportional to 69,854.58, 96,401.04 and 38,025.21 is: 52,475.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,854.58 : 96,401.04 = 38,025.21 : x
  2. Step 2: Convert to fraction form
    69,854.58/96,401.04 = 38,025.21/x
  3. Step 3: Cross multiply
    69,854.58x = 96,401.04 × 38,025.21
  4. Step 4: Simplify right side
    69,854.58x = 3,665,669,790.22
  5. Step 5: Solve for x
    x = 3,665,669,790.22/69,854.58
  6. Step 6: Final answer
    x = 52,475.73

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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.