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Finding the Fourth Proportional to 72,444.15, 108,665.65 and 22,524.15

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Solution

The fourth proportional to 72,444.15, 108,665.65 and 22,524.15 is: 33,786.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,444.15 : 108,665.65 = 22,524.15 : x
  2. Step 2: Convert to fraction form
    72,444.15/108,665.65 = 22,524.15/x
  3. Step 3: Cross multiply
    72,444.15x = 108,665.65 × 22,524.15
  4. Step 4: Simplify right side
    72,444.15x = 2,447,601,400.45
  5. Step 5: Solve for x
    x = 2,447,601,400.45/72,444.15
  6. Step 6: Final answer
    x = 33,786.05

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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.