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Finding the Fourth Proportional to 5,613.66, 7,746.93 and 3,224.03

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Solution

The fourth proportional to 5,613.66, 7,746.93 and 3,224.03 is: 4,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.66 : 7,746.93 = 3,224.03 : x
  2. Step 2: Convert to fraction form
    5,613.66/7,746.93 = 3,224.03/x
  3. Step 3: Cross multiply
    5,613.66x = 7,746.93 × 3,224.03
  4. Step 4: Simplify right side
    5,613.66x = 24,976,295.99
  5. Step 5: Solve for x
    x = 24,976,295.99/5,613.66
  6. Step 6: Final answer
    x = 4,449.20

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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.