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Finding the Fourth Proportional to 6,476.55, 8,939.11 and 4,586.15

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Solution

The fourth proportional to 6,476.55, 8,939.11 and 4,586.15 is: 6,329.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,476.55 : 8,939.11 = 4,586.15 : x
  2. Step 2: Convert to fraction form
    6,476.55/8,939.11 = 4,586.15/x
  3. Step 3: Cross multiply
    6,476.55x = 8,939.11 × 4,586.15
  4. Step 4: Simplify right side
    6,476.55x = 40,996,099.33
  5. Step 5: Solve for x
    x = 40,996,099.33/6,476.55
  6. Step 6: Final answer
    x = 6,329.93

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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.