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Finding the Fourth Proportional to 69,394.45, 95,764.81 and 38,767.53

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Solution

The fourth proportional to 69,394.45, 95,764.81 and 38,767.53 is: 53,499.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,394.45 : 95,764.81 = 38,767.53 : x
  2. Step 2: Convert to fraction form
    69,394.45/95,764.81 = 38,767.53/x
  3. Step 3: Cross multiply
    69,394.45x = 95,764.81 × 38,767.53
  4. Step 4: Simplify right side
    69,394.45x = 3,712,565,144.62
  5. Step 5: Solve for x
    x = 3,712,565,144.62/69,394.45
  6. Step 6: Final answer
    x = 53,499.45

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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.