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Finding the Fourth Proportional to 6,651.50, 9,175.82 and 5,326.88

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Solution

The fourth proportional to 6,651.50, 9,175.82 and 5,326.88 is: 7,348.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,651.50 : 9,175.82 = 5,326.88 : x
  2. Step 2: Convert to fraction form
    6,651.50/9,175.82 = 5,326.88/x
  3. Step 3: Cross multiply
    6,651.50x = 9,175.82 × 5,326.88
  4. Step 4: Simplify right side
    6,651.50x = 48,878,492.04
  5. Step 5: Solve for x
    x = 48,878,492.04/6,651.50
  6. Step 6: Final answer
    x = 7,348.49

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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.