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Finding the Fourth Proportional to 6,831.60, 10,246.86 and 2,448.60

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Solution

The fourth proportional to 6,831.60, 10,246.86 and 2,448.60 is: 3,672.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,831.60 : 10,246.86 = 2,448.60 : x
  2. Step 2: Convert to fraction form
    6,831.60/10,246.86 = 2,448.60/x
  3. Step 3: Cross multiply
    6,831.60x = 10,246.86 × 2,448.60
  4. Step 4: Simplify right side
    6,831.60x = 25,090,461.40
  5. Step 5: Solve for x
    x = 25,090,461.40/6,831.60
  6. Step 6: Final answer
    x = 3,672.71

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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.