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Finding the Fourth Proportional to 73,116.68, 109,590.93 and 33,590.75

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Solution

The fourth proportional to 73,116.68, 109,590.93 and 33,590.75 is: 50,347.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,116.68 : 109,590.93 = 33,590.75 : x
  2. Step 2: Convert to fraction form
    73,116.68/109,590.93 = 33,590.75/x
  3. Step 3: Cross multiply
    73,116.68x = 109,590.93 × 33,590.75
  4. Step 4: Simplify right side
    73,116.68x = 3,681,240,983.94
  5. Step 5: Solve for x
    x = 3,681,240,983.94/73,116.68
  6. Step 6: Final answer
    x = 50,347.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.