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Finding the Fourth Proportional to 15,879.40, 23,808.30 and 6,017.20

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Solution

The fourth proportional to 15,879.40, 23,808.30 and 6,017.20 is: 9,021.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,879.40 : 23,808.30 = 6,017.20 : x
  2. Step 2: Convert to fraction form
    15,879.40/23,808.30 = 6,017.20/x
  3. Step 3: Cross multiply
    15,879.40x = 23,808.30 × 6,017.20
  4. Step 4: Simplify right side
    15,879.40x = 143,259,302.76
  5. Step 5: Solve for x
    x = 143,259,302.76/15,879.40
  6. Step 6: Final answer
    x = 9,021.71

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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.