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Finding the Fourth Proportional to 67,595.97, 101,395.32 and 20,848.84

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Solution

The fourth proportional to 67,595.97, 101,395.32 and 20,848.84 is: 31,273.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,595.97 : 101,395.32 = 20,848.84 : x
  2. Step 2: Convert to fraction form
    67,595.97/101,395.32 = 20,848.84/x
  3. Step 3: Cross multiply
    67,595.97x = 101,395.32 × 20,848.84
  4. Step 4: Simplify right side
    67,595.97x = 2,113,974,803.43
  5. Step 5: Solve for x
    x = 2,113,974,803.43/67,595.97
  6. Step 6: Final answer
    x = 31,273.68

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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.