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Finding the Fourth Proportional to 69,362.90, 95,720.78 and 37,531.79

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Solution

The fourth proportional to 69,362.90, 95,720.78 and 37,531.79 is: 51,793.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,362.90 : 95,720.78 = 37,531.79 : x
  2. Step 2: Convert to fraction form
    69,362.90/95,720.78 = 37,531.79/x
  3. Step 3: Cross multiply
    69,362.90x = 95,720.78 × 37,531.79
  4. Step 4: Simplify right side
    69,362.90x = 3,592,571,547.33
  5. Step 5: Solve for x
    x = 3,592,571,547.33/69,362.90
  6. Step 6: Final answer
    x = 51,793.85

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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.