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Finding the Fourth Proportional to 69,555.90, 95,991.90 and 39,341.24

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Solution

The fourth proportional to 69,555.90, 95,991.90 and 39,341.24 is: 54,293.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,555.90 : 95,991.90 = 39,341.24 : x
  2. Step 2: Convert to fraction form
    69,555.90/95,991.90 = 39,341.24/x
  3. Step 3: Cross multiply
    69,555.90x = 95,991.90 × 39,341.24
  4. Step 4: Simplify right side
    69,555.90x = 3,776,440,375.96
  5. Step 5: Solve for x
    x = 3,776,440,375.96/69,555.90
  6. Step 6: Final answer
    x = 54,293.60

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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.