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Finding the Fourth Proportional to 4,831.72, 7,254.06 and 2,860.99

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Solution

The fourth proportional to 4,831.72, 7,254.06 and 2,860.99 is: 4,295.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831.72 : 7,254.06 = 2,860.99 : x
  2. Step 2: Convert to fraction form
    4,831.72/7,254.06 = 2,860.99/x
  3. Step 3: Cross multiply
    4,831.72x = 7,254.06 × 2,860.99
  4. Step 4: Simplify right side
    4,831.72x = 20,753,793.12
  5. Step 5: Solve for x
    x = 20,753,793.12/4,831.72
  6. Step 6: Final answer
    x = 4,295.32

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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.