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Finding the Fourth Proportional to 3,984.79, 6,007.03 and 3,717.18

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Solution

The fourth proportional to 3,984.79, 6,007.03 and 3,717.18 is: 5,603.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.79 : 6,007.03 = 3,717.18 : x
  2. Step 2: Convert to fraction form
    3,984.79/6,007.03 = 3,717.18/x
  3. Step 3: Cross multiply
    3,984.79x = 6,007.03 × 3,717.18
  4. Step 4: Simplify right side
    3,984.79x = 22,329,218.04
  5. Step 5: Solve for x
    x = 22,329,218.04/3,984.79
  6. Step 6: Final answer
    x = 5,603.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.