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Finding the Fourth Proportional to 4,674.29, 7,012.80 and 1,752.82

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Solution

The fourth proportional to 4,674.29, 7,012.80 and 1,752.82 is: 2,629.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,674.29 : 7,012.80 = 1,752.82 : x
  2. Step 2: Convert to fraction form
    4,674.29/7,012.80 = 1,752.82/x
  3. Step 3: Cross multiply
    4,674.29x = 7,012.80 × 1,752.82
  4. Step 4: Simplify right side
    4,674.29x = 12,292,132.27
  5. Step 5: Solve for x
    x = 12,292,132.27/4,674.29
  6. Step 6: Final answer
    x = 2,629.74

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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.