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Finding the Fourth Proportional to 2,061.81, 3,091.64 and 1,476.45

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Solution

The fourth proportional to 2,061.81, 3,091.64 and 1,476.45 is: 2,213.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,061.81 : 3,091.64 = 1,476.45 : x
  2. Step 2: Convert to fraction form
    2,061.81/3,091.64 = 1,476.45/x
  3. Step 3: Cross multiply
    2,061.81x = 3,091.64 × 1,476.45
  4. Step 4: Simplify right side
    2,061.81x = 4,564,644.50
  5. Step 5: Solve for x
    x = 4,564,644.50/2,061.81
  6. Step 6: Final answer
    x = 2,213.90

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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.