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Finding the Fourth Proportional to 7,207.84, 9,946.97 and 4,063.42

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Solution

The fourth proportional to 7,207.84, 9,946.97 and 4,063.42 is: 5,607.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.84 : 9,946.97 = 4,063.42 : x
  2. Step 2: Convert to fraction form
    7,207.84/9,946.97 = 4,063.42/x
  3. Step 3: Cross multiply
    7,207.84x = 9,946.97 × 4,063.42
  4. Step 4: Simplify right side
    7,207.84x = 40,418,716.84
  5. Step 5: Solve for x
    x = 40,418,716.84/7,207.84
  6. Step 6: Final answer
    x = 5,607.60

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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.