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Finding the Fourth Proportional to 5,424.92, 7,486.08 and 3,066.91

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Solution

The fourth proportional to 5,424.92, 7,486.08 and 3,066.91 is: 4,232.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.92 : 7,486.08 = 3,066.91 : x
  2. Step 2: Convert to fraction form
    5,424.92/7,486.08 = 3,066.91/x
  3. Step 3: Cross multiply
    5,424.92x = 7,486.08 × 3,066.91
  4. Step 4: Simplify right side
    5,424.92x = 22,959,096.18
  5. Step 5: Solve for x
    x = 22,959,096.18/5,424.92
  6. Step 6: Final answer
    x = 4,232.16

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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.