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Finding the Fourth Proportional to 60,690.96, 83,756.52 and 33,835.68

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Solution

The fourth proportional to 60,690.96, 83,756.52 and 33,835.68 is: 46,694.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,690.96 : 83,756.52 = 33,835.68 : x
  2. Step 2: Convert to fraction form
    60,690.96/83,756.52 = 33,835.68/x
  3. Step 3: Cross multiply
    60,690.96x = 83,756.52 × 33,835.68
  4. Step 4: Simplify right side
    60,690.96x = 2,833,958,808.63
  5. Step 5: Solve for x
    x = 2,833,958,808.63/60,690.96
  6. Step 6: Final answer
    x = 46,694.91

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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.