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Finding the Fourth Proportional to 1,806.84, 2,710.76 and 1,534.88

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Solution

The fourth proportional to 1,806.84, 2,710.76 and 1,534.88 is: 2,302.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806.84 : 2,710.76 = 1,534.88 : x
  2. Step 2: Convert to fraction form
    1,806.84/2,710.76 = 1,534.88/x
  3. Step 3: Cross multiply
    1,806.84x = 2,710.76 × 1,534.88
  4. Step 4: Simplify right side
    1,806.84x = 4,160,691.31
  5. Step 5: Solve for x
    x = 4,160,691.31/1,806.84
  6. Step 6: Final answer
    x = 2,302.74

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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.