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Finding the Fourth Proportional to 68,053.36, 93,899.82 and 39,753.58

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Solution

The fourth proportional to 68,053.36, 93,899.82 and 39,753.58 is: 54,851.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,053.36 : 93,899.82 = 39,753.58 : x
  2. Step 2: Convert to fraction form
    68,053.36/93,899.82 = 39,753.58/x
  3. Step 3: Cross multiply
    68,053.36x = 93,899.82 × 39,753.58
  4. Step 4: Simplify right side
    68,053.36x = 3,732,853,536.86
  5. Step 5: Solve for x
    x = 3,732,853,536.86/68,053.36
  6. Step 6: Final answer
    x = 54,851.87

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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.