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Finding the Fourth Proportional to 7,674.69, 10,591.19 and 4,530.88

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Solution

The fourth proportional to 7,674.69, 10,591.19 and 4,530.88 is: 6,252.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,674.69 : 10,591.19 = 4,530.88 : x
  2. Step 2: Convert to fraction form
    7,674.69/10,591.19 = 4,530.88/x
  3. Step 3: Cross multiply
    7,674.69x = 10,591.19 × 4,530.88
  4. Step 4: Simplify right side
    7,674.69x = 47,987,410.95
  5. Step 5: Solve for x
    x = 47,987,410.95/7,674.69
  6. Step 6: Final answer
    x = 6,252.68

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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.