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Finding the Fourth Proportional to 67,860.80, 101,795.52 and 23,491.84

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Solution

The fourth proportional to 67,860.80, 101,795.52 and 23,491.84 is: 35,239.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,860.80 : 101,795.52 = 23,491.84 : x
  2. Step 2: Convert to fraction form
    67,860.80/101,795.52 = 23,491.84/x
  3. Step 3: Cross multiply
    67,860.80x = 101,795.52 × 23,491.84
  4. Step 4: Simplify right side
    67,860.80x = 2,391,364,068.56
  5. Step 5: Solve for x
    x = 2,391,364,068.56/67,860.80
  6. Step 6: Final answer
    x = 35,239.26

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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.