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Finding the Fourth Proportional to 3,492.73, 4,820.00 and 1,899.40

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Solution

The fourth proportional to 3,492.73, 4,820.00 and 1,899.40 is: 2,621.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,492.73 : 4,820.00 = 1,899.40 : x
  2. Step 2: Convert to fraction form
    3,492.73/4,820.00 = 1,899.40/x
  3. Step 3: Cross multiply
    3,492.73x = 4,820.00 × 1,899.40
  4. Step 4: Simplify right side
    3,492.73x = 9,155,085.18
  5. Step 5: Solve for x
    x = 9,155,085.18/3,492.73
  6. Step 6: Final answer
    x = 2,621.18

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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.