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Finding the Fourth Proportional to 55,003.59, 75,905.10 and 29,853.09

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Solution

The fourth proportional to 55,003.59, 75,905.10 and 29,853.09 is: 41,197.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,003.59 : 75,905.10 = 29,853.09 : x
  2. Step 2: Convert to fraction form
    55,003.59/75,905.10 = 29,853.09/x
  3. Step 3: Cross multiply
    55,003.59x = 75,905.10 × 29,853.09
  4. Step 4: Simplify right side
    55,003.59x = 2,266,001,781.76
  5. Step 5: Solve for x
    x = 2,266,001,781.76/55,003.59
  6. Step 6: Final answer
    x = 41,197.34

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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.