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Finding the Fourth Proportional to 68,893.25, 95,066.10 and 38,671.63

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Solution

The fourth proportional to 68,893.25, 95,066.10 and 38,671.63 is: 53,363.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,893.25 : 95,066.10 = 38,671.63 : x
  2. Step 2: Convert to fraction form
    68,893.25/95,066.10 = 38,671.63/x
  3. Step 3: Cross multiply
    68,893.25x = 95,066.10 × 38,671.63
  4. Step 4: Simplify right side
    68,893.25x = 3,676,360,807.08
  5. Step 5: Solve for x
    x = 3,676,360,807.08/68,893.25
  6. Step 6: Final answer
    x = 53,363.15

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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.