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Finding the Fourth Proportional to 2,541.70, 3,812.55 and 898.26

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Solution

The fourth proportional to 2,541.70, 3,812.55 and 898.26 is: 1,347.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,541.70 : 3,812.55 = 898.26 : x
  2. Step 2: Convert to fraction form
    2,541.70/3,812.55 = 898.26/x
  3. Step 3: Cross multiply
    2,541.70x = 3,812.55 × 898.26
  4. Step 4: Simplify right side
    2,541.70x = 3,424,661.16
  5. Step 5: Solve for x
    x = 3,424,661.16/2,541.70
  6. Step 6: Final answer
    x = 1,347.39

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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.