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Finding the Fourth Proportional to 67,495, 93,143.10 and 37,687

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Solution

The fourth proportional to 67,495, 93,143.10 and 37,687 is: 52,008.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,495 : 93,143.10 = 37,687 : x
  2. Step 2: Convert to fraction form
    67,495/93,143.10 = 37,687/x
  3. Step 3: Cross multiply
    67,495x = 93,143.10 × 37,687
  4. Step 4: Simplify right side
    67,495x = 3,510,284,009.70
  5. Step 5: Solve for x
    x = 3,510,284,009.70/67,495
  6. Step 6: Final answer
    x = 52,008.06

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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.