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Finding the Fourth Proportional to 73,562, 101,517.18 and 40,028

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Solution

The fourth proportional to 73,562, 101,517.18 and 40,028 is: 55,239.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,562 : 101,517.18 = 40,028 : x
  2. Step 2: Convert to fraction form
    73,562/101,517.18 = 40,028/x
  3. Step 3: Cross multiply
    73,562x = 101,517.18 × 40,028
  4. Step 4: Simplify right side
    73,562x = 4,063,529,681.04
  5. Step 5: Solve for x
    x = 4,063,529,681.04/73,562
  6. Step 6: Final answer
    x = 55,239.52

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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.