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Finding the Fourth Proportional to 6,765.93, 9,316.22 and 5,921.91

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Solution

The fourth proportional to 6,765.93, 9,316.22 and 5,921.91 is: 8,154.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,765.93 : 9,316.22 = 5,921.91 : x
  2. Step 2: Convert to fraction form
    6,765.93/9,316.22 = 5,921.91/x
  3. Step 3: Cross multiply
    6,765.93x = 9,316.22 × 5,921.91
  4. Step 4: Simplify right side
    6,765.93x = 55,169,786.77
  5. Step 5: Solve for x
    x = 55,169,786.77/6,765.93
  6. Step 6: Final answer
    x = 8,154.06

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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.