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Finding the Fourth Proportional to 7,207.30, 9,934.41 and 7,110.10

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Solution

The fourth proportional to 7,207.30, 9,934.41 and 7,110.10 is: 9,800.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.30 : 9,934.41 = 7,110.10 : x
  2. Step 2: Convert to fraction form
    7,207.30/9,934.41 = 7,110.10/x
  3. Step 3: Cross multiply
    7,207.30x = 9,934.41 × 7,110.10
  4. Step 4: Simplify right side
    7,207.30x = 70,634,648.54
  5. Step 5: Solve for x
    x = 70,634,648.54/7,207.30
  6. Step 6: Final answer
    x = 9,800.43

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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.