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Finding the Fourth Proportional to 5,541.76, 8,307.12 and 2,614.86

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Solution

The fourth proportional to 5,541.76, 8,307.12 and 2,614.86 is: 3,919.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.76 : 8,307.12 = 2,614.86 : x
  2. Step 2: Convert to fraction form
    5,541.76/8,307.12 = 2,614.86/x
  3. Step 3: Cross multiply
    5,541.76x = 8,307.12 × 2,614.86
  4. Step 4: Simplify right side
    5,541.76x = 21,721,955.80
  5. Step 5: Solve for x
    x = 21,721,955.80/5,541.76
  6. Step 6: Final answer
    x = 3,919.69

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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.