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Finding the Fourth Proportional to 5,541.99, 8,312.97 and 2,254.31

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Solution

The fourth proportional to 5,541.99, 8,312.97 and 2,254.31 is: 3,381.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.99 : 8,312.97 = 2,254.31 : x
  2. Step 2: Convert to fraction form
    5,541.99/8,312.97 = 2,254.31/x
  3. Step 3: Cross multiply
    5,541.99x = 8,312.97 × 2,254.31
  4. Step 4: Simplify right side
    5,541.99x = 18,739,969.84
  5. Step 5: Solve for x
    x = 18,739,969.84/5,541.99
  6. Step 6: Final answer
    x = 3,381.45

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Similar ratio
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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.