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Finding the Fourth Proportional to 8,043.30, 12,040.65 and 7,071.30

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Solution

The fourth proportional to 8,043.30, 12,040.65 and 7,071.30 is: 10,585.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,043.30 : 12,040.65 = 7,071.30 : x
  2. Step 2: Convert to fraction form
    8,043.30/12,040.65 = 7,071.30/x
  3. Step 3: Cross multiply
    8,043.30x = 12,040.65 × 7,071.30
  4. Step 4: Simplify right side
    8,043.30x = 85,143,048.35
  5. Step 5: Solve for x
    x = 85,143,048.35/8,043.30
  6. Step 6: Final answer
    x = 10,585.59

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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.