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Finding the Fourth Proportional to 8,002.40, 11,042.91 and 4,464.93

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Solution

The fourth proportional to 8,002.40, 11,042.91 and 4,464.93 is: 6,161.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,002.40 : 11,042.91 = 4,464.93 : x
  2. Step 2: Convert to fraction form
    8,002.40/11,042.91 = 4,464.93/x
  3. Step 3: Cross multiply
    8,002.40x = 11,042.91 × 4,464.93
  4. Step 4: Simplify right side
    8,002.40x = 49,305,820.15
  5. Step 5: Solve for x
    x = 49,305,820.15/8,002.40
  6. Step 6: Final answer
    x = 6,161.38

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Half scale
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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.