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Finding the Fourth Proportional to 30,293.76, 41,793.78 and 22,354.92

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Solution

The fourth proportional to 30,293.76, 41,793.78 and 22,354.92 is: 30,841.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,293.76 : 41,793.78 = 22,354.92 : x
  2. Step 2: Convert to fraction form
    30,293.76/41,793.78 = 22,354.92/x
  3. Step 3: Cross multiply
    30,293.76x = 41,793.78 × 22,354.92
  4. Step 4: Simplify right side
    30,293.76x = 934,296,608.40
  5. Step 5: Solve for x
    x = 934,296,608.40/30,293.76
  6. Step 6: Final answer
    x = 30,841.22

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.