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Finding the Fourth Proportional to 7,053.88, 9,734.69 and 3,910.07

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Solution

The fourth proportional to 7,053.88, 9,734.69 and 3,910.07 is: 5,396.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,053.88 : 9,734.69 = 3,910.07 : x
  2. Step 2: Convert to fraction form
    7,053.88/9,734.69 = 3,910.07/x
  3. Step 3: Cross multiply
    7,053.88x = 9,734.69 × 3,910.07
  4. Step 4: Simplify right side
    7,053.88x = 38,063,319.33
  5. Step 5: Solve for x
    x = 38,063,319.33/7,053.88
  6. Step 6: Final answer
    x = 5,396.08

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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.