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Finding the Fourth Proportional to 6,815.15, 9,396.22 and 4,573.47

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Solution

The fourth proportional to 6,815.15, 9,396.22 and 4,573.47 is: 6,305.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815.15 : 9,396.22 = 4,573.47 : x
  2. Step 2: Convert to fraction form
    6,815.15/9,396.22 = 4,573.47/x
  3. Step 3: Cross multiply
    6,815.15x = 9,396.22 × 4,573.47
  4. Step 4: Simplify right side
    6,815.15x = 42,973,330.28
  5. Step 5: Solve for x
    x = 42,973,330.28/6,815.15
  6. Step 6: Final answer
    x = 6,305.56

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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.