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Finding the Fourth Proportional to 7,037.07, 9,711.15 and 3,893.73

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Solution

The fourth proportional to 7,037.07, 9,711.15 and 3,893.73 is: 5,373.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,037.07 : 9,711.15 = 3,893.73 : x
  2. Step 2: Convert to fraction form
    7,037.07/9,711.15 = 3,893.73/x
  3. Step 3: Cross multiply
    7,037.07x = 9,711.15 × 3,893.73
  4. Step 4: Simplify right side
    7,037.07x = 37,812,596.09
  5. Step 5: Solve for x
    x = 37,812,596.09/7,037.07
  6. Step 6: Final answer
    x = 5,373.34

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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.