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Finding the Fourth Proportional to 6,995.58, 9,654.59 and 5,224.11

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Solution

The fourth proportional to 6,995.58, 9,654.59 and 5,224.11 is: 7,209.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,995.58 : 9,654.59 = 5,224.11 : x
  2. Step 2: Convert to fraction form
    6,995.58/9,654.59 = 5,224.11/x
  3. Step 3: Cross multiply
    6,995.58x = 9,654.59 × 5,224.11
  4. Step 4: Simplify right side
    6,995.58x = 50,436,617.02
  5. Step 5: Solve for x
    x = 50,436,617.02/6,995.58
  6. Step 6: Final answer
    x = 7,209.79

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Half scale
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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.