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Finding the Fourth Proportional to 73,200.24, 101,016.84 and 39,666.24

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Solution

The fourth proportional to 73,200.24, 101,016.84 and 39,666.24 is: 54,739.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,200.24 : 101,016.84 = 39,666.24 : x
  2. Step 2: Convert to fraction form
    73,200.24/101,016.84 = 39,666.24/x
  3. Step 3: Cross multiply
    73,200.24x = 101,016.84 × 39,666.24
  4. Step 4: Simplify right side
    73,200.24x = 4,006,958,219.48
  5. Step 5: Solve for x
    x = 4,006,958,219.48/73,200.24
  6. Step 6: Final answer
    x = 54,739.69

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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.