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Finding the Fourth Proportional to 69,083.65, 95,334.65 and 38,869.03

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Solution

The fourth proportional to 69,083.65, 95,334.65 and 38,869.03 is: 53,638.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,083.65 : 95,334.65 = 38,869.03 : x
  2. Step 2: Convert to fraction form
    69,083.65/95,334.65 = 38,869.03/x
  3. Step 3: Cross multiply
    69,083.65x = 95,334.65 × 38,869.03
  4. Step 4: Simplify right side
    69,083.65x = 3,705,564,894.22
  5. Step 5: Solve for x
    x = 3,705,564,894.22/69,083.65
  6. Step 6: Final answer
    x = 53,638.82

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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.