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Finding the Fourth Proportional to 8,717.67, 12,040.18 and 6,752.00

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Solution

The fourth proportional to 8,717.67, 12,040.18 and 6,752.00 is: 9,325.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.67 : 12,040.18 = 6,752.00 : x
  2. Step 2: Convert to fraction form
    8,717.67/12,040.18 = 6,752.00/x
  3. Step 3: Cross multiply
    8,717.67x = 12,040.18 × 6,752.00
  4. Step 4: Simplify right side
    8,717.67x = 81,295,308.58
  5. Step 5: Solve for x
    x = 81,295,308.58/8,717.67
  6. Step 6: Final answer
    x = 9,325.35

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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.