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Finding the Fourth Proportional to 2,046, 3,066.61 and 875.67

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Solution

The fourth proportional to 2,046, 3,066.61 and 875.67 is: 1,312.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,046 : 3,066.61 = 875.67 : x
  2. Step 2: Convert to fraction form
    2,046/3,066.61 = 875.67/x
  3. Step 3: Cross multiply
    2,046x = 3,066.61 × 875.67
  4. Step 4: Simplify right side
    2,046x = 2,685,338.38
  5. Step 5: Solve for x
    x = 2,685,338.38/2,046
  6. Step 6: Final answer
    x = 1,312.48

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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.