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Finding the Fourth Proportional to 67,955.87, 101,925.87 and 18,039.84

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Solution

The fourth proportional to 67,955.87, 101,925.87 and 18,039.84 is: 27,057.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,955.87 : 101,925.87 = 18,039.84 : x
  2. Step 2: Convert to fraction form
    67,955.87/101,925.87 = 18,039.84/x
  3. Step 3: Cross multiply
    67,955.87x = 101,925.87 × 18,039.84
  4. Step 4: Simplify right side
    67,955.87x = 1,838,726,386.66
  5. Step 5: Solve for x
    x = 1,838,726,386.66/67,955.87
  6. Step 6: Final answer
    x = 27,057.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.