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Finding the Fourth Proportional to 67,891, 93,689.58 and 41,395

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Solution

The fourth proportional to 67,891, 93,689.58 and 41,395 is: 57,125.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,891 : 93,689.58 = 41,395 : x
  2. Step 2: Convert to fraction form
    67,891/93,689.58 = 41,395/x
  3. Step 3: Cross multiply
    67,891x = 93,689.58 × 41,395
  4. Step 4: Simplify right side
    67,891x = 3,878,280,164.10
  5. Step 5: Solve for x
    x = 3,878,280,164.10/67,891
  6. Step 6: Final answer
    x = 57,125.10

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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.