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Finding the Fourth Proportional to 4,768.07, 7,152.21 and 3,356.72

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Solution

The fourth proportional to 4,768.07, 7,152.21 and 3,356.72 is: 5,035.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,768.07 : 7,152.21 = 3,356.72 : x
  2. Step 2: Convert to fraction form
    4,768.07/7,152.21 = 3,356.72/x
  3. Step 3: Cross multiply
    4,768.07x = 7,152.21 × 3,356.72
  4. Step 4: Simplify right side
    4,768.07x = 24,007,966.35
  5. Step 5: Solve for x
    x = 24,007,966.35/4,768.07
  6. Step 6: Final answer
    x = 5,035.15

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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.