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Finding the Fourth Proportional to 5,614.26, 7,748.40 and 4,668.43

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Solution

The fourth proportional to 5,614.26, 7,748.40 and 4,668.43 is: 6,443.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,614.26 : 7,748.40 = 4,668.43 : x
  2. Step 2: Convert to fraction form
    5,614.26/7,748.40 = 4,668.43/x
  3. Step 3: Cross multiply
    5,614.26x = 7,748.40 × 4,668.43
  4. Step 4: Simplify right side
    5,614.26x = 36,172,840.75
  5. Step 5: Solve for x
    x = 36,172,840.75/5,614.26
  6. Step 6: Final answer
    x = 6,443.03

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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.