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Finding the Fourth Proportional to 60,690.87, 83,749.14 and 33,834.87

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Solution

The fourth proportional to 60,690.87, 83,749.14 and 33,834.87 is: 46,689.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,690.87 : 83,749.14 = 33,834.87 : x
  2. Step 2: Convert to fraction form
    60,690.87/83,749.14 = 33,834.87/x
  3. Step 3: Cross multiply
    60,690.87x = 83,749.14 × 33,834.87
  4. Step 4: Simplify right side
    60,690.87x = 2,833,641,264.51
  5. Step 5: Solve for x
    x = 2,833,641,264.51/60,690.87
  6. Step 6: Final answer
    x = 46,689.75

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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.