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Finding the Fourth Proportional to 4,721.22, 7,089.14 and 2,534.22

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Solution

The fourth proportional to 4,721.22, 7,089.14 and 2,534.22 is: 3,805.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.22 : 7,089.14 = 2,534.22 : x
  2. Step 2: Convert to fraction form
    4,721.22/7,089.14 = 2,534.22/x
  3. Step 3: Cross multiply
    4,721.22x = 7,089.14 × 2,534.22
  4. Step 4: Simplify right side
    4,721.22x = 17,965,440.37
  5. Step 5: Solve for x
    x = 17,965,440.37/4,721.22
  6. Step 6: Final answer
    x = 3,805.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.