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Finding the Fourth Proportional to 3,066.67, 4,600.20 and 875.41

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Solution

The fourth proportional to 3,066.67, 4,600.20 and 875.41 is: 1,313.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.67 : 4,600.20 = 875.41 : x
  2. Step 2: Convert to fraction form
    3,066.67/4,600.20 = 875.41/x
  3. Step 3: Cross multiply
    3,066.67x = 4,600.20 × 875.41
  4. Step 4: Simplify right side
    3,066.67x = 4,027,061.08
  5. Step 5: Solve for x
    x = 4,027,061.08/3,066.67
  6. Step 6: Final answer
    x = 1,313.17

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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.