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Finding the Fourth Proportional to 4,242.63, 6,363.13 and 1,469.31

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Solution

The fourth proportional to 4,242.63, 6,363.13 and 1,469.31 is: 2,203.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242.63 : 6,363.13 = 1,469.31 : x
  2. Step 2: Convert to fraction form
    4,242.63/6,363.13 = 1,469.31/x
  3. Step 3: Cross multiply
    4,242.63x = 6,363.13 × 1,469.31
  4. Step 4: Simplify right side
    4,242.63x = 9,349,443.58
  5. Step 5: Solve for x
    x = 9,349,443.58/4,242.63
  6. Step 6: Final answer
    x = 2,203.69

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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.