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Finding the Fourth Proportional to 6,653.76, 9,182.28 and 3,669.72

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Solution

The fourth proportional to 6,653.76, 9,182.28 and 3,669.72 is: 5,064.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,653.76 : 9,182.28 = 3,669.72 : x
  2. Step 2: Convert to fraction form
    6,653.76/9,182.28 = 3,669.72/x
  3. Step 3: Cross multiply
    6,653.76x = 9,182.28 × 3,669.72
  4. Step 4: Simplify right side
    6,653.76x = 33,696,396.56
  5. Step 5: Solve for x
    x = 33,696,396.56/6,653.76
  6. Step 6: Final answer
    x = 5,064.26

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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.