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Finding the Fourth Proportional to 22,940.08, 34,358.76 and 19,940.08

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Solution

The fourth proportional to 22,940.08, 34,358.76 and 19,940.08 is: 29,865.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,940.08 : 34,358.76 = 19,940.08 : x
  2. Step 2: Convert to fraction form
    22,940.08/34,358.76 = 19,940.08/x
  3. Step 3: Cross multiply
    22,940.08x = 34,358.76 × 19,940.08
  4. Step 4: Simplify right side
    22,940.08x = 685,116,423.10
  5. Step 5: Solve for x
    x = 685,116,423.10/22,940.08
  6. Step 6: Final answer
    x = 29,865.48

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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.