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Finding the Fourth Proportional to 69,347.88, 95,693.10 and 39,130.44

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Solution

The fourth proportional to 69,347.88, 95,693.10 and 39,130.44 is: 53,996.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,347.88 : 95,693.10 = 39,130.44 : x
  2. Step 2: Convert to fraction form
    69,347.88/95,693.10 = 39,130.44/x
  3. Step 3: Cross multiply
    69,347.88x = 95,693.10 × 39,130.44
  4. Step 4: Simplify right side
    69,347.88x = 3,744,513,107.96
  5. Step 5: Solve for x
    x = 3,744,513,107.96/69,347.88
  6. Step 6: Final answer
    x = 53,996.07

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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.