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Finding the Fourth Proportional to 8,707.97, 13,054.23 and 3,775.92

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Solution

The fourth proportional to 8,707.97, 13,054.23 and 3,775.92 is: 5,660.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,707.97 : 13,054.23 = 3,775.92 : x
  2. Step 2: Convert to fraction form
    8,707.97/13,054.23 = 3,775.92/x
  3. Step 3: Cross multiply
    8,707.97x = 13,054.23 × 3,775.92
  4. Step 4: Simplify right side
    8,707.97x = 49,291,728.14
  5. Step 5: Solve for x
    x = 49,291,728.14/8,707.97
  6. Step 6: Final answer
    x = 5,660.53

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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.