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Finding the Fourth Proportional to 2,541.80, 3,813 and 898.01

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Solution

The fourth proportional to 2,541.80, 3,813 and 898.01 is: 1,347.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,541.80 : 3,813 = 898.01 : x
  2. Step 2: Convert to fraction form
    2,541.80/3,813 = 898.01/x
  3. Step 3: Cross multiply
    2,541.80x = 3,813 × 898.01
  4. Step 4: Simplify right side
    2,541.80x = 3,424,112.13
  5. Step 5: Solve for x
    x = 3,424,112.13/2,541.80
  6. Step 6: Final answer
    x = 1,347.12

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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.