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Finding the Fourth Proportional to 67,952.67, 101,888.76 and 20,553.39

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Solution

The fourth proportional to 67,952.67, 101,888.76 and 20,553.39 is: 30,817.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,952.67 : 101,888.76 = 20,553.39 : x
  2. Step 2: Convert to fraction form
    67,952.67/101,888.76 = 20,553.39/x
  3. Step 3: Cross multiply
    67,952.67x = 101,888.76 × 20,553.39
  4. Step 4: Simplify right side
    67,952.67x = 2,094,159,420.90
  5. Step 5: Solve for x
    x = 2,094,159,420.90/67,952.67
  6. Step 6: Final answer
    x = 30,817.91

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1.5x scale

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.