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Finding the Fourth Proportional to 7,079.52, 10,619.23 and 1,814.52

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Solution

The fourth proportional to 7,079.52, 10,619.23 and 1,814.52 is: 2,721.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.52 : 10,619.23 = 1,814.52 : x
  2. Step 2: Convert to fraction form
    7,079.52/10,619.23 = 1,814.52/x
  3. Step 3: Cross multiply
    7,079.52x = 10,619.23 × 1,814.52
  4. Step 4: Simplify right side
    7,079.52x = 19,268,805.22
  5. Step 5: Solve for x
    x = 19,268,805.22/7,079.52
  6. Step 6: Final answer
    x = 2,721.77

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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.