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Finding the Fourth Proportional to 5,630.68, 8,444.16 and 3,655.08

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Solution

The fourth proportional to 5,630.68, 8,444.16 and 3,655.08 is: 5,481.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,630.68 : 8,444.16 = 3,655.08 : x
  2. Step 2: Convert to fraction form
    5,630.68/8,444.16 = 3,655.08/x
  3. Step 3: Cross multiply
    5,630.68x = 8,444.16 × 3,655.08
  4. Step 4: Simplify right side
    5,630.68x = 30,864,080.33
  5. Step 5: Solve for x
    x = 30,864,080.33/5,630.68
  6. Step 6: Final answer
    x = 5,481.41

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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.