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Finding the Fourth Proportional to 4,688.88, 6,451.81 and 4,527.28

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Solution

The fourth proportional to 4,688.88, 6,451.81 and 4,527.28 is: 6,229.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.88 : 6,451.81 = 4,527.28 : x
  2. Step 2: Convert to fraction form
    4,688.88/6,451.81 = 4,527.28/x
  3. Step 3: Cross multiply
    4,688.88x = 6,451.81 × 4,527.28
  4. Step 4: Simplify right side
    4,688.88x = 29,209,150.38
  5. Step 5: Solve for x
    x = 29,209,150.38/4,688.88
  6. Step 6: Final answer
    x = 6,229.45

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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.