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Finding the Fourth Proportional to 72,254.61, 108,392.29 and 22,338.60

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Solution

The fourth proportional to 72,254.61, 108,392.29 and 22,338.60 is: 33,511.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,254.61 : 108,392.29 = 22,338.60 : x
  2. Step 2: Convert to fraction form
    72,254.61/108,392.29 = 22,338.60/x
  3. Step 3: Cross multiply
    72,254.61x = 108,392.29 × 22,338.60
  4. Step 4: Simplify right side
    72,254.61x = 2,421,332,009.39
  5. Step 5: Solve for x
    x = 2,421,332,009.39/72,254.61
  6. Step 6: Final answer
    x = 33,511.11

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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.