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Finding the Fourth Proportional to 6,653.66, 9,182.11 and 3,669.60

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Solution

The fourth proportional to 6,653.66, 9,182.11 and 3,669.60 is: 5,064.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,653.66 : 9,182.11 = 3,669.60 : x
  2. Step 2: Convert to fraction form
    6,653.66/9,182.11 = 3,669.60/x
  3. Step 3: Cross multiply
    6,653.66x = 9,182.11 × 3,669.60
  4. Step 4: Simplify right side
    6,653.66x = 33,694,670.86
  5. Step 5: Solve for x
    x = 33,694,670.86/6,653.66
  6. Step 6: Final answer
    x = 5,064.08

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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.