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Finding the Fourth Proportional to 6,481.62, 8,935.10 and 4,587.34

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Solution

The fourth proportional to 6,481.62, 8,935.10 and 4,587.34 is: 6,323.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,481.62 : 8,935.10 = 4,587.34 : x
  2. Step 2: Convert to fraction form
    6,481.62/8,935.10 = 4,587.34/x
  3. Step 3: Cross multiply
    6,481.62x = 8,935.10 × 4,587.34
  4. Step 4: Simplify right side
    6,481.62x = 40,988,341.63
  5. Step 5: Solve for x
    x = 40,988,341.63/6,481.62
  6. Step 6: Final answer
    x = 6,323.78

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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.