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Finding the Fourth Proportional to 6,661.12, 9,193.04 and 4,010.08

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Solution

The fourth proportional to 6,661.12, 9,193.04 and 4,010.08 is: 5,534.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661.12 : 9,193.04 = 4,010.08 : x
  2. Step 2: Convert to fraction form
    6,661.12/9,193.04 = 4,010.08/x
  3. Step 3: Cross multiply
    6,661.12x = 9,193.04 × 4,010.08
  4. Step 4: Simplify right side
    6,661.12x = 36,864,825.84
  5. Step 5: Solve for x
    x = 36,864,825.84/6,661.12
  6. Step 6: Final answer
    x = 5,534.33

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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.