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Finding the Fourth Proportional to 6,655.62, 9,184.84 and 4,003.08

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Solution

The fourth proportional to 6,655.62, 9,184.84 and 4,003.08 is: 5,524.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,655.62 : 9,184.84 = 4,003.08 : x
  2. Step 2: Convert to fraction form
    6,655.62/9,184.84 = 4,003.08/x
  3. Step 3: Cross multiply
    6,655.62x = 9,184.84 × 4,003.08
  4. Step 4: Simplify right side
    6,655.62x = 36,767,649.31
  5. Step 5: Solve for x
    x = 36,767,649.31/6,655.62
  6. Step 6: Final answer
    x = 5,524.30

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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.