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Finding the Fourth Proportional to 69,083.86, 95,334.70 and 38,869.22

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Solution

The fourth proportional to 69,083.86, 95,334.70 and 38,869.22 is: 53,638.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,083.86 : 95,334.70 = 38,869.22 : x
  2. Step 2: Convert to fraction form
    69,083.86/95,334.70 = 38,869.22/x
  3. Step 3: Cross multiply
    69,083.86x = 95,334.70 × 38,869.22
  4. Step 4: Simplify right side
    69,083.86x = 3,705,585,427.93
  5. Step 5: Solve for x
    x = 3,705,585,427.93/69,083.86
  6. Step 6: Final answer
    x = 53,638.95

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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.