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Finding the Fourth Proportional to 6,562.77, 9,055.22 and 3,911.06

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Solution

The fourth proportional to 6,562.77, 9,055.22 and 3,911.06 is: 5,396.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,562.77 : 9,055.22 = 3,911.06 : x
  2. Step 2: Convert to fraction form
    6,562.77/9,055.22 = 3,911.06/x
  3. Step 3: Cross multiply
    6,562.77x = 9,055.22 × 3,911.06
  4. Step 4: Simplify right side
    6,562.77x = 35,415,443.90
  5. Step 5: Solve for x
    x = 35,415,443.90/6,562.77
  6. Step 6: Final answer
    x = 5,396.42

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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.