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Finding the Fourth Proportional to 7,613.84, 10,507.02 and 4,469.44

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Solution

The fourth proportional to 7,613.84, 10,507.02 and 4,469.44 is: 6,167.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,613.84 : 10,507.02 = 4,469.44 : x
  2. Step 2: Convert to fraction form
    7,613.84/10,507.02 = 4,469.44/x
  3. Step 3: Cross multiply
    7,613.84x = 10,507.02 × 4,469.44
  4. Step 4: Simplify right side
    7,613.84x = 46,960,495.47
  5. Step 5: Solve for x
    x = 46,960,495.47/7,613.84
  6. Step 6: Final answer
    x = 6,167.78

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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.