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Finding the Fourth Proportional to 1,806.08, 2,492.72 and 1,510.88

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Solution

The fourth proportional to 1,806.08, 2,492.72 and 1,510.88 is: 2,085.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806.08 : 2,492.72 = 1,510.88 : x
  2. Step 2: Convert to fraction form
    1,806.08/2,492.72 = 1,510.88/x
  3. Step 3: Cross multiply
    1,806.08x = 2,492.72 × 1,510.88
  4. Step 4: Simplify right side
    1,806.08x = 3,766,200.79
  5. Step 5: Solve for x
    x = 3,766,200.79/1,806.08
  6. Step 6: Final answer
    x = 2,085.29

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