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Finding the Fourth Proportional to 7,137.19, 10,707.95 and 5,061.21

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Solution

The fourth proportional to 7,137.19, 10,707.95 and 5,061.21 is: 7,593.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137.19 : 10,707.95 = 5,061.21 : x
  2. Step 2: Convert to fraction form
    7,137.19/10,707.95 = 5,061.21/x
  3. Step 3: Cross multiply
    7,137.19x = 10,707.95 × 5,061.21
  4. Step 4: Simplify right side
    7,137.19x = 54,195,183.62
  5. Step 5: Solve for x
    x = 54,195,183.62/7,137.19
  6. Step 6: Final answer
    x = 7,593.35

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1.5x scale

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.