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Finding the Fourth Proportional to 71,593.37, 98,800.02 and 39,330.98

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Solution

The fourth proportional to 71,593.37, 98,800.02 and 39,330.98 is: 54,277.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,593.37 : 98,800.02 = 39,330.98 : x
  2. Step 2: Convert to fraction form
    71,593.37/98,800.02 = 39,330.98/x
  3. Step 3: Cross multiply
    71,593.37x = 98,800.02 × 39,330.98
  4. Step 4: Simplify right side
    71,593.37x = 3,885,901,116.62
  5. Step 5: Solve for x
    x = 3,885,901,116.62/71,593.37
  6. Step 6: Final answer
    x = 54,277.39

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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.