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Finding the Fourth Proportional to 7,099.54, 10,650.68 and 2,419.36

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Solution

The fourth proportional to 7,099.54, 10,650.68 and 2,419.36 is: 3,629.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099.54 : 10,650.68 = 2,419.36 : x
  2. Step 2: Convert to fraction form
    7,099.54/10,650.68 = 2,419.36/x
  3. Step 3: Cross multiply
    7,099.54x = 10,650.68 × 2,419.36
  4. Step 4: Simplify right side
    7,099.54x = 25,767,829.16
  5. Step 5: Solve for x
    x = 25,767,829.16/7,099.54
  6. Step 6: Final answer
    x = 3,629.51

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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.