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Finding the Fourth Proportional to 5,459.68, 7,532.22 and 3,360.16

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Solution

The fourth proportional to 5,459.68, 7,532.22 and 3,360.16 is: 4,635.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.68 : 7,532.22 = 3,360.16 : x
  2. Step 2: Convert to fraction form
    5,459.68/7,532.22 = 3,360.16/x
  3. Step 3: Cross multiply
    5,459.68x = 7,532.22 × 3,360.16
  4. Step 4: Simplify right side
    5,459.68x = 25,309,464.36
  5. Step 5: Solve for x
    x = 25,309,464.36/5,459.68
  6. Step 6: Final answer
    x = 4,635.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.