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Finding the Fourth Proportional to 6,040.44, 8,328.78 and 5,666.82

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Solution

The fourth proportional to 6,040.44, 8,328.78 and 5,666.82 is: 7,813.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,040.44 : 8,328.78 = 5,666.82 : x
  2. Step 2: Convert to fraction form
    6,040.44/8,328.78 = 5,666.82/x
  3. Step 3: Cross multiply
    6,040.44x = 8,328.78 × 5,666.82
  4. Step 4: Simplify right side
    6,040.44x = 47,197,697.08
  5. Step 5: Solve for x
    x = 47,197,697.08/6,040.44
  6. Step 6: Final answer
    x = 7,813.62

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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.