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Finding the Fourth Proportional to 3,641.66, 5,463.16 and 1,176.22

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Solution

The fourth proportional to 3,641.66, 5,463.16 and 1,176.22 is: 1,764.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,641.66 : 5,463.16 = 1,176.22 : x
  2. Step 2: Convert to fraction form
    3,641.66/5,463.16 = 1,176.22/x
  3. Step 3: Cross multiply
    3,641.66x = 5,463.16 × 1,176.22
  4. Step 4: Simplify right side
    3,641.66x = 6,425,878.06
  5. Step 5: Solve for x
    x = 6,425,878.06/3,641.66
  6. Step 6: Final answer
    x = 1,764.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.