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Finding the Fourth Proportional to 2,989.06, 4,490.06 and 2,527.76

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Solution

The fourth proportional to 2,989.06, 4,490.06 and 2,527.76 is: 3,797.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989.06 : 4,490.06 = 2,527.76 : x
  2. Step 2: Convert to fraction form
    2,989.06/4,490.06 = 2,527.76/x
  3. Step 3: Cross multiply
    2,989.06x = 4,490.06 × 2,527.76
  4. Step 4: Simplify right side
    2,989.06x = 11,349,794.07
  5. Step 5: Solve for x
    x = 11,349,794.07/2,989.06
  6. Step 6: Final answer
    x = 3,797.11

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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.