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Finding the Fourth Proportional to 6,552.63, 9,040.67 and 5,921.15

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Solution

The fourth proportional to 6,552.63, 9,040.67 and 5,921.15 is: 8,169.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,552.63 : 9,040.67 = 5,921.15 : x
  2. Step 2: Convert to fraction form
    6,552.63/9,040.67 = 5,921.15/x
  3. Step 3: Cross multiply
    6,552.63x = 9,040.67 × 5,921.15
  4. Step 4: Simplify right side
    6,552.63x = 53,531,088.36
  5. Step 5: Solve for x
    x = 53,531,088.36/6,552.63
  6. Step 6: Final answer
    x = 8,169.41

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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.