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Finding the Fourth Proportional to 6,610.08, 9,101.88 and 6,464.28

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Solution

The fourth proportional to 6,610.08, 9,101.88 and 6,464.28 is: 8,901.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,610.08 : 9,101.88 = 6,464.28 : x
  2. Step 2: Convert to fraction form
    6,610.08/9,101.88 = 6,464.28/x
  3. Step 3: Cross multiply
    6,610.08x = 9,101.88 × 6,464.28
  4. Step 4: Simplify right side
    6,610.08x = 58,837,100.85
  5. Step 5: Solve for x
    x = 58,837,100.85/6,610.08
  6. Step 6: Final answer
    x = 8,901.12

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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.