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Finding the Fourth Proportional to 72,667.71, 100,280.01 and 44,373.39

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Solution

The fourth proportional to 72,667.71, 100,280.01 and 44,373.39 is: 61,234.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,667.71 : 100,280.01 = 44,373.39 : x
  2. Step 2: Convert to fraction form
    72,667.71/100,280.01 = 44,373.39/x
  3. Step 3: Cross multiply
    72,667.71x = 100,280.01 × 44,373.39
  4. Step 4: Simplify right side
    72,667.71x = 4,449,763,992.93
  5. Step 5: Solve for x
    x = 4,449,763,992.93/72,667.71
  6. Step 6: Final answer
    x = 61,234.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.