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Finding the Fourth Proportional to 7,101.06, 10,651.59 and 2,719.77

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Solution

The fourth proportional to 7,101.06, 10,651.59 and 2,719.77 is: 4,079.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101.06 : 10,651.59 = 2,719.77 : x
  2. Step 2: Convert to fraction form
    7,101.06/10,651.59 = 2,719.77/x
  3. Step 3: Cross multiply
    7,101.06x = 10,651.59 × 2,719.77
  4. Step 4: Simplify right side
    7,101.06x = 28,969,874.93
  5. Step 5: Solve for x
    x = 28,969,874.93/7,101.06
  6. Step 6: Final answer
    x = 4,079.66

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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.