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Finding the Fourth Proportional to 69,744.72, 96,248.34 and 37,913.68

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Solution

The fourth proportional to 69,744.72, 96,248.34 and 37,913.68 is: 52,321.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,744.72 : 96,248.34 = 37,913.68 : x
  2. Step 2: Convert to fraction form
    69,744.72/96,248.34 = 37,913.68/x
  3. Step 3: Cross multiply
    69,744.72x = 96,248.34 × 37,913.68
  4. Step 4: Simplify right side
    69,744.72x = 3,649,128,763.29
  5. Step 5: Solve for x
    x = 3,649,128,763.29/69,744.72
  6. Step 6: Final answer
    x = 52,321.22

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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.