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Finding the Fourth Proportional to 67,510.22, 101,266.95 and 20,763.50

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Solution

The fourth proportional to 67,510.22, 101,266.95 and 20,763.50 is: 31,145.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,510.22 : 101,266.95 = 20,763.50 : x
  2. Step 2: Convert to fraction form
    67,510.22/101,266.95 = 20,763.50/x
  3. Step 3: Cross multiply
    67,510.22x = 101,266.95 × 20,763.50
  4. Step 4: Simplify right side
    67,510.22x = 2,102,656,316.33
  5. Step 5: Solve for x
    x = 2,102,656,316.33/67,510.22
  6. Step 6: Final answer
    x = 31,145.75

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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.