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Finding the Fourth Proportional to 6,448.52, 8,841 and 6,331.88

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Solution

The fourth proportional to 6,448.52, 8,841 and 6,331.88 is: 8,681.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,448.52 : 8,841 = 6,331.88 : x
  2. Step 2: Convert to fraction form
    6,448.52/8,841 = 6,331.88/x
  3. Step 3: Cross multiply
    6,448.52x = 8,841 × 6,331.88
  4. Step 4: Simplify right side
    6,448.52x = 55,980,151.08
  5. Step 5: Solve for x
    x = 55,980,151.08/6,448.52
  6. Step 6: Final answer
    x = 8,681.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.