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Finding the Fourth Proportional to 5,293.71, 7,214.22 and 5,274.27

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Solution

The fourth proportional to 5,293.71, 7,214.22 and 5,274.27 is: 7,187.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,293.71 : 7,214.22 = 5,274.27 : x
  2. Step 2: Convert to fraction form
    5,293.71/7,214.22 = 5,274.27/x
  3. Step 3: Cross multiply
    5,293.71x = 7,214.22 × 5,274.27
  4. Step 4: Simplify right side
    5,293.71x = 38,049,744.12
  5. Step 5: Solve for x
    x = 38,049,744.12/5,293.71
  6. Step 6: Final answer
    x = 7,187.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.