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Finding the Fourth Proportional to 72,520.65, 108,780.98 and 22,604.77

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Solution

The fourth proportional to 72,520.65, 108,780.98 and 22,604.77 is: 33,907.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,520.65 : 108,780.98 = 22,604.77 : x
  2. Step 2: Convert to fraction form
    72,520.65/108,780.98 = 22,604.77/x
  3. Step 3: Cross multiply
    72,520.65x = 108,780.98 × 22,604.77
  4. Step 4: Simplify right side
    72,520.65x = 2,458,969,056.23
  5. Step 5: Solve for x
    x = 2,458,969,056.23/72,520.65
  6. Step 6: Final answer
    x = 33,907.16

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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.