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Finding the Fourth Proportional to 2,674.76, 4,009.38 and 1,030.88

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Solution

The fourth proportional to 2,674.76, 4,009.38 and 1,030.88 is: 1,545.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674.76 : 4,009.38 = 1,030.88 : x
  2. Step 2: Convert to fraction form
    2,674.76/4,009.38 = 1,030.88/x
  3. Step 3: Cross multiply
    2,674.76x = 4,009.38 × 1,030.88
  4. Step 4: Simplify right side
    2,674.76x = 4,133,189.65
  5. Step 5: Solve for x
    x = 4,133,189.65/2,674.76
  6. Step 6: Final answer
    x = 1,545.26

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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.