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Finding the Fourth Proportional to 6,250.68, 9,309.68 and 6,220.50

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Solution

The fourth proportional to 6,250.68, 9,309.68 and 6,220.50 is: 9,264.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,250.68 : 9,309.68 = 6,220.50 : x
  2. Step 2: Convert to fraction form
    6,250.68/9,309.68 = 6,220.50/x
  3. Step 3: Cross multiply
    6,250.68x = 9,309.68 × 6,220.50
  4. Step 4: Simplify right side
    6,250.68x = 57,910,833.34
  5. Step 5: Solve for x
    x = 57,910,833.34/6,250.68
  6. Step 6: Final answer
    x = 9,264.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.