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Finding the Fourth Proportional to 67,803, 101,710.30 and 17,882.68

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Solution

The fourth proportional to 67,803, 101,710.30 and 17,882.68 is: 26,825.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,803 : 101,710.30 = 17,882.68 : x
  2. Step 2: Convert to fraction form
    67,803/101,710.30 = 17,882.68/x
  3. Step 3: Cross multiply
    67,803x = 101,710.30 × 17,882.68
  4. Step 4: Simplify right side
    67,803x = 1,818,852,747.60
  5. Step 5: Solve for x
    x = 1,818,852,747.60/67,803
  6. Step 6: Final answer
    x = 26,825.55

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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.