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Finding the Fourth Proportional to 42,781.97, 59,039.08 and 23,919.10

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Solution

The fourth proportional to 42,781.97, 59,039.08 and 23,919.10 is: 33,008.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,781.97 : 59,039.08 = 23,919.10 : x
  2. Step 2: Convert to fraction form
    42,781.97/59,039.08 = 23,919.10/x
  3. Step 3: Cross multiply
    42,781.97x = 59,039.08 × 23,919.10
  4. Step 4: Simplify right side
    42,781.97x = 1,412,161,451.03
  5. Step 5: Solve for x
    x = 1,412,161,451.03/42,781.97
  6. Step 6: Final answer
    x = 33,008.33

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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.