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Finding the Fourth Proportional to 5,742.06, 8,613.78 and 4,263.11

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Solution

The fourth proportional to 5,742.06, 8,613.78 and 4,263.11 is: 6,395.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,742.06 : 8,613.78 = 4,263.11 : x
  2. Step 2: Convert to fraction form
    5,742.06/8,613.78 = 4,263.11/x
  3. Step 3: Cross multiply
    5,742.06x = 8,613.78 × 4,263.11
  4. Step 4: Simplify right side
    5,742.06x = 36,721,491.66
  5. Step 5: Solve for x
    x = 36,721,491.66/5,742.06
  6. Step 6: Final answer
    x = 6,395.18

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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.