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Finding the Fourth Proportional to 4,981.92, 7,473.96 and 1,695.21

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Solution

The fourth proportional to 4,981.92, 7,473.96 and 1,695.21 is: 2,543.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.92 : 7,473.96 = 1,695.21 : x
  2. Step 2: Convert to fraction form
    4,981.92/7,473.96 = 1,695.21/x
  3. Step 3: Cross multiply
    4,981.92x = 7,473.96 × 1,695.21
  4. Step 4: Simplify right side
    4,981.92x = 12,669,931.73
  5. Step 5: Solve for x
    x = 12,669,931.73/4,981.92
  6. Step 6: Final answer
    x = 2,543.18

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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.