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Finding the Fourth Proportional to 55,059.56, 75,982.22 and 29,909.08

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Solution

The fourth proportional to 55,059.56, 75,982.22 and 29,909.08 is: 41,274.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,059.56 : 75,982.22 = 29,909.08 : x
  2. Step 2: Convert to fraction form
    55,059.56/75,982.22 = 29,909.08/x
  3. Step 3: Cross multiply
    55,059.56x = 75,982.22 × 29,909.08
  4. Step 4: Simplify right side
    55,059.56x = 2,272,558,296.56
  5. Step 5: Solve for x
    x = 2,272,558,296.56/55,059.56
  6. Step 6: Final answer
    x = 41,274.55

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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.