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Finding the Fourth Proportional to 5,541.55, 8,312.70 and 2,254.70

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Solution

The fourth proportional to 5,541.55, 8,312.70 and 2,254.70 is: 3,382.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.55 : 8,312.70 = 2,254.70 : x
  2. Step 2: Convert to fraction form
    5,541.55/8,312.70 = 2,254.70/x
  3. Step 3: Cross multiply
    5,541.55x = 8,312.70 × 2,254.70
  4. Step 4: Simplify right side
    5,541.55x = 18,742,644.69
  5. Step 5: Solve for x
    x = 18,742,644.69/5,541.55
  6. Step 6: Final answer
    x = 3,382.20

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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.