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Finding the Fourth Proportional to 1,806.76, 2,491.12 and 1,526.52

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Solution

The fourth proportional to 1,806.76, 2,491.12 and 1,526.52 is: 2,104.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806.76 : 2,491.12 = 1,526.52 : x
  2. Step 2: Convert to fraction form
    1,806.76/2,491.12 = 1,526.52/x
  3. Step 3: Cross multiply
    1,806.76x = 2,491.12 × 1,526.52
  4. Step 4: Simplify right side
    1,806.76x = 3,802,744.50
  5. Step 5: Solve for x
    x = 3,802,744.50/1,806.76
  6. Step 6: Final answer
    x = 2,104.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.