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Finding the Fourth Proportional to 7,888.73, 11,831.27 and 2,340.73

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Solution

The fourth proportional to 7,888.73, 11,831.27 and 2,340.73 is: 3,510.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888.73 : 11,831.27 = 2,340.73 : x
  2. Step 2: Convert to fraction form
    7,888.73/11,831.27 = 2,340.73/x
  3. Step 3: Cross multiply
    7,888.73x = 11,831.27 × 2,340.73
  4. Step 4: Simplify right side
    7,888.73x = 27,693,811.71
  5. Step 5: Solve for x
    x = 27,693,811.71/7,888.73
  6. Step 6: Final answer
    x = 3,510.56

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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.