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Finding the Fourth Proportional to 72,930.22, 109,403.54 and 22,995.55

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Solution

The fourth proportional to 72,930.22, 109,403.54 and 22,995.55 is: 34,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,930.22 : 109,403.54 = 22,995.55 : x
  2. Step 2: Convert to fraction form
    72,930.22/109,403.54 = 22,995.55/x
  3. Step 3: Cross multiply
    72,930.22x = 109,403.54 × 22,995.55
  4. Step 4: Simplify right side
    72,930.22x = 2,515,794,002.19
  5. Step 5: Solve for x
    x = 2,515,794,002.19/72,930.22
  6. Step 6: Final answer
    x = 34,495.90

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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.