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Finding the Fourth Proportional to 23,138.92, 34,706.89 and 7,343.65

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Solution

The fourth proportional to 23,138.92, 34,706.89 and 7,343.65 is: 11,015.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,138.92 : 34,706.89 = 7,343.65 : x
  2. Step 2: Convert to fraction form
    23,138.92/34,706.89 = 7,343.65/x
  3. Step 3: Cross multiply
    23,138.92x = 34,706.89 × 7,343.65
  4. Step 4: Simplify right side
    23,138.92x = 254,875,252.75
  5. Step 5: Solve for x
    x = 254,875,252.75/23,138.92
  6. Step 6: Final answer
    x = 11,015.00

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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.