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Finding the Fourth Proportional to 23,721.20, 35,543.40 and 14,940.40

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Solution

The fourth proportional to 23,721.20, 35,543.40 and 14,940.40 is: 22,386.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,721.20 : 35,543.40 = 14,940.40 : x
  2. Step 2: Convert to fraction form
    23,721.20/35,543.40 = 14,940.40/x
  3. Step 3: Cross multiply
    23,721.20x = 35,543.40 × 14,940.40
  4. Step 4: Simplify right side
    23,721.20x = 531,032,613.36
  5. Step 5: Solve for x
    x = 531,032,613.36/23,721.20
  6. Step 6: Final answer
    x = 22,386.41

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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.