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Finding the Fourth Proportional to 4,981.90, 7,472.83 and 2,376.94

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Solution

The fourth proportional to 4,981.90, 7,472.83 and 2,376.94 is: 3,565.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.90 : 7,472.83 = 2,376.94 : x
  2. Step 2: Convert to fraction form
    4,981.90/7,472.83 = 2,376.94/x
  3. Step 3: Cross multiply
    4,981.90x = 7,472.83 × 2,376.94
  4. Step 4: Simplify right side
    4,981.90x = 17,762,456.66
  5. Step 5: Solve for x
    x = 17,762,456.66/4,981.90
  6. Step 6: Final answer
    x = 3,565.40

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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.