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Finding the Fourth Proportional to 4,831.08, 7,246.62 and 2,638.62

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Solution

The fourth proportional to 4,831.08, 7,246.62 and 2,638.62 is: 3,957.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831.08 : 7,246.62 = 2,638.62 : x
  2. Step 2: Convert to fraction form
    4,831.08/7,246.62 = 2,638.62/x
  3. Step 3: Cross multiply
    4,831.08x = 7,246.62 × 2,638.62
  4. Step 4: Simplify right side
    4,831.08x = 19,121,076.46
  5. Step 5: Solve for x
    x = 19,121,076.46/4,831.08
  6. Step 6: Final answer
    x = 3,957.93

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Similar ratio
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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.