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Finding the Fourth Proportional to 7,101.99, 10,650.95 and 2,718.45

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Solution

The fourth proportional to 7,101.99, 10,650.95 and 2,718.45 is: 4,076.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101.99 : 10,650.95 = 2,718.45 : x
  2. Step 2: Convert to fraction form
    7,101.99/10,650.95 = 2,718.45/x
  3. Step 3: Cross multiply
    7,101.99x = 10,650.95 × 2,718.45
  4. Step 4: Simplify right side
    7,101.99x = 28,954,061.44
  5. Step 5: Solve for x
    x = 28,954,061.44/7,101.99
  6. Step 6: Final answer
    x = 4,076.89

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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.