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Finding the Fourth Proportional to 4,501.66, 6,751.13 and 1,214.79

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Solution

The fourth proportional to 4,501.66, 6,751.13 and 1,214.79 is: 1,821.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,501.66 : 6,751.13 = 1,214.79 : x
  2. Step 2: Convert to fraction form
    4,501.66/6,751.13 = 1,214.79/x
  3. Step 3: Cross multiply
    4,501.66x = 6,751.13 × 1,214.79
  4. Step 4: Simplify right side
    4,501.66x = 8,201,205.21
  5. Step 5: Solve for x
    x = 8,201,205.21/4,501.66
  6. Step 6: Final answer
    x = 1,821.82

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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.