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Finding the Fourth Proportional to 7,454.80, 10,284.26 and 5,964.80

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Solution

The fourth proportional to 7,454.80, 10,284.26 and 5,964.80 is: 8,228.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.80 : 10,284.26 = 5,964.80 : x
  2. Step 2: Convert to fraction form
    7,454.80/10,284.26 = 5,964.80/x
  3. Step 3: Cross multiply
    7,454.80x = 10,284.26 × 5,964.80
  4. Step 4: Simplify right side
    7,454.80x = 61,343,554.05
  5. Step 5: Solve for x
    x = 61,343,554.05/7,454.80
  6. Step 6: Final answer
    x = 8,228.73

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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.