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Finding the Fourth Proportional to 7,099.68, 10,649.88 and 2,169.48

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Solution

The fourth proportional to 7,099.68, 10,649.88 and 2,169.48 is: 3,254.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099.68 : 10,649.88 = 2,169.48 : x
  2. Step 2: Convert to fraction form
    7,099.68/10,649.88 = 2,169.48/x
  3. Step 3: Cross multiply
    7,099.68x = 10,649.88 × 2,169.48
  4. Step 4: Simplify right side
    7,099.68x = 23,104,701.66
  5. Step 5: Solve for x
    x = 23,104,701.66/7,099.68
  6. Step 6: Final answer
    x = 3,254.33

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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.