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Finding the Fourth Proportional to 5,579.28, 7,695.95 and 4,831.95

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Solution

The fourth proportional to 5,579.28, 7,695.95 and 4,831.95 is: 6,665.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.28 : 7,695.95 = 4,831.95 : x
  2. Step 2: Convert to fraction form
    5,579.28/7,695.95 = 4,831.95/x
  3. Step 3: Cross multiply
    5,579.28x = 7,695.95 × 4,831.95
  4. Step 4: Simplify right side
    5,579.28x = 37,186,450.30
  5. Step 5: Solve for x
    x = 37,186,450.30/5,579.28
  6. Step 6: Final answer
    x = 6,665.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.