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Finding the Fourth Proportional to 73,007.35, 100,726.54 and 40,736.75

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Solution

The fourth proportional to 73,007.35, 100,726.54 and 40,736.75 is: 56,203.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,007.35 : 100,726.54 = 40,736.75 : x
  2. Step 2: Convert to fraction form
    73,007.35/100,726.54 = 40,736.75/x
  3. Step 3: Cross multiply
    73,007.35x = 100,726.54 × 40,736.75
  4. Step 4: Simplify right side
    73,007.35x = 4,103,271,272.87
  5. Step 5: Solve for x
    x = 4,103,271,272.87/73,007.35
  6. Step 6: Final answer
    x = 56,203.54

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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.