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Finding the Fourth Proportional to 15,879.27, 23,828.14 and 7,114.19

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Solution

The fourth proportional to 15,879.27, 23,828.14 and 7,114.19 is: 10,675.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,879.27 : 23,828.14 = 7,114.19 : x
  2. Step 2: Convert to fraction form
    15,879.27/23,828.14 = 7,114.19/x
  3. Step 3: Cross multiply
    15,879.27x = 23,828.14 × 7,114.19
  4. Step 4: Simplify right side
    15,879.27x = 169,517,881.08
  5. Step 5: Solve for x
    x = 169,517,881.08/15,879.27
  6. Step 6: Final answer
    x = 10,675.42

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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.