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Finding the Fourth Proportional to 2,541.67, 3,812.40 and 898.23

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Solution

The fourth proportional to 2,541.67, 3,812.40 and 898.23 is: 1,347.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,541.67 : 3,812.40 = 898.23 : x
  2. Step 2: Convert to fraction form
    2,541.67/3,812.40 = 898.23/x
  3. Step 3: Cross multiply
    2,541.67x = 3,812.40 × 898.23
  4. Step 4: Simplify right side
    2,541.67x = 3,424,412.05
  5. Step 5: Solve for x
    x = 3,424,412.05/2,541.67
  6. Step 6: Final answer
    x = 1,347.31

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1.5x scale

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.