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Finding the Fourth Proportional to 8,613.06, 12,927.66 and 4,233.66

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Solution

The fourth proportional to 8,613.06, 12,927.66 and 4,233.66 is: 6,354.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,613.06 : 12,927.66 = 4,233.66 : x
  2. Step 2: Convert to fraction form
    8,613.06/12,927.66 = 4,233.66/x
  3. Step 3: Cross multiply
    8,613.06x = 12,927.66 × 4,233.66
  4. Step 4: Simplify right side
    8,613.06x = 54,731,317.04
  5. Step 5: Solve for x
    x = 54,731,317.04/8,613.06
  6. Step 6: Final answer
    x = 6,354.46

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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.