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Finding the Fourth Proportional to 6,338.41, 8,750.05 and 4,217.47

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Solution

The fourth proportional to 6,338.41, 8,750.05 and 4,217.47 is: 5,822.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,338.41 : 8,750.05 = 4,217.47 : x
  2. Step 2: Convert to fraction form
    6,338.41/8,750.05 = 4,217.47/x
  3. Step 3: Cross multiply
    6,338.41x = 8,750.05 × 4,217.47
  4. Step 4: Simplify right side
    6,338.41x = 36,903,040.95
  5. Step 5: Solve for x
    x = 36,903,040.95/6,338.41
  6. Step 6: Final answer
    x = 5,822.13

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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.