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Finding the Fourth Proportional to 73,003.55, 100,653.62 and 60,921.44

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Solution

The fourth proportional to 73,003.55, 100,653.62 and 60,921.44 is: 83,995.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,003.55 : 100,653.62 = 60,921.44 : x
  2. Step 2: Convert to fraction form
    73,003.55/100,653.62 = 60,921.44/x
  3. Step 3: Cross multiply
    73,003.55x = 100,653.62 × 60,921.44
  4. Step 4: Simplify right side
    73,003.55x = 6,131,962,663.74
  5. Step 5: Solve for x
    x = 6,131,962,663.74/73,003.55
  6. Step 6: Final answer
    x = 83,995.41

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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.