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Finding the Fourth Proportional to 23,013.81, 34,509.81 and 8,015.70

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Solution

The fourth proportional to 23,013.81, 34,509.81 and 8,015.70 is: 12,019.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,013.81 : 34,509.81 = 8,015.70 : x
  2. Step 2: Convert to fraction form
    23,013.81/34,509.81 = 8,015.70/x
  3. Step 3: Cross multiply
    23,013.81x = 34,509.81 × 8,015.70
  4. Step 4: Simplify right side
    23,013.81x = 276,620,331.40
  5. Step 5: Solve for x
    x = 276,620,331.40/23,013.81
  6. Step 6: Final answer
    x = 12,019.75

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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.