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Finding the Fourth Proportional to 7,009.55, 10,514.36 and 2,079.22

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Solution

The fourth proportional to 7,009.55, 10,514.36 and 2,079.22 is: 3,118.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009.55 : 10,514.36 = 2,079.22 : x
  2. Step 2: Convert to fraction form
    7,009.55/10,514.36 = 2,079.22/x
  3. Step 3: Cross multiply
    7,009.55x = 10,514.36 × 2,079.22
  4. Step 4: Simplify right side
    7,009.55x = 21,861,657.20
  5. Step 5: Solve for x
    x = 21,861,657.20/7,009.55
  6. Step 6: Final answer
    x = 3,118.84

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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.