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Finding the Fourth Proportional to 5,445.51, 7,514.51 and 3,206.87

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Solution

The fourth proportional to 5,445.51, 7,514.51 and 3,206.87 is: 4,425.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.51 : 7,514.51 = 3,206.87 : x
  2. Step 2: Convert to fraction form
    5,445.51/7,514.51 = 3,206.87/x
  3. Step 3: Cross multiply
    5,445.51x = 7,514.51 × 3,206.87
  4. Step 4: Simplify right side
    5,445.51x = 24,098,031.26
  5. Step 5: Solve for x
    x = 24,098,031.26/5,445.51
  6. Step 6: Final answer
    x = 4,425.31

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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.