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Finding the Fourth Proportional to 69,908.70, 96,475.14 and 38,077.62

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Solution

The fourth proportional to 69,908.70, 96,475.14 and 38,077.62 is: 52,547.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,908.70 : 96,475.14 = 38,077.62 : x
  2. Step 2: Convert to fraction form
    69,908.70/96,475.14 = 38,077.62/x
  3. Step 3: Cross multiply
    69,908.70x = 96,475.14 × 38,077.62
  4. Step 4: Simplify right side
    69,908.70x = 3,673,543,720.37
  5. Step 5: Solve for x
    x = 3,673,543,720.37/69,908.70
  6. Step 6: Final answer
    x = 52,547.73

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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.