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Finding the Fourth Proportional to 8,266.16, 11,407.32 and 4,540.40

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Solution

The fourth proportional to 8,266.16, 11,407.32 and 4,540.40 is: 6,265.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.16 : 11,407.32 = 4,540.40 : x
  2. Step 2: Convert to fraction form
    8,266.16/11,407.32 = 4,540.40/x
  3. Step 3: Cross multiply
    8,266.16x = 11,407.32 × 4,540.40
  4. Step 4: Simplify right side
    8,266.16x = 51,793,795.73
  5. Step 5: Solve for x
    x = 51,793,795.73/8,266.16
  6. Step 6: Final answer
    x = 6,265.76

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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.