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Finding the Fourth Proportional to 6,149.16, 8,471.02 and 4,889.82

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Solution

The fourth proportional to 6,149.16, 8,471.02 and 4,889.82 is: 6,736.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,149.16 : 8,471.02 = 4,889.82 : x
  2. Step 2: Convert to fraction form
    6,149.16/8,471.02 = 4,889.82/x
  3. Step 3: Cross multiply
    6,149.16x = 8,471.02 × 4,889.82
  4. Step 4: Simplify right side
    6,149.16x = 41,421,763.02
  5. Step 5: Solve for x
    x = 41,421,763.02/6,149.16
  6. Step 6: Final answer
    x = 6,736.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.