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Finding the Fourth Proportional to 73,539.56, 101,486.22 and 40,005.56

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Solution

The fourth proportional to 73,539.56, 101,486.22 and 40,005.56 is: 55,208.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,539.56 : 101,486.22 = 40,005.56 : x
  2. Step 2: Convert to fraction form
    73,539.56/101,486.22 = 40,005.56/x
  3. Step 3: Cross multiply
    73,539.56x = 101,486.22 × 40,005.56
  4. Step 4: Simplify right side
    73,539.56x = 4,060,013,167.08
  5. Step 5: Solve for x
    x = 4,060,013,167.08/73,539.56
  6. Step 6: Final answer
    x = 55,208.56

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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.