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Finding the Fourth Proportional to 72,210.54, 108,274.12 and 22,277.22

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Solution

The fourth proportional to 72,210.54, 108,274.12 and 22,277.22 is: 33,402.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,210.54 : 108,274.12 = 22,277.22 : x
  2. Step 2: Convert to fraction form
    72,210.54/108,274.12 = 22,277.22/x
  3. Step 3: Cross multiply
    72,210.54x = 108,274.12 × 22,277.22
  4. Step 4: Simplify right side
    72,210.54x = 2,412,046,391.55
  5. Step 5: Solve for x
    x = 2,412,046,391.55/72,210.54
  6. Step 6: Final answer
    x = 33,402.97

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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.