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Finding the Fourth Proportional to 60,734.40, 83,813.56 and 33,878.64

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Solution

The fourth proportional to 60,734.40, 83,813.56 and 33,878.64 is: 46,752.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,734.40 : 83,813.56 = 33,878.64 : x
  2. Step 2: Convert to fraction form
    60,734.40/83,813.56 = 33,878.64/x
  3. Step 3: Cross multiply
    60,734.40x = 83,813.56 × 33,878.64
  4. Step 4: Simplify right side
    60,734.40x = 2,839,489,426.36
  5. Step 5: Solve for x
    x = 2,839,489,426.36/60,734.40
  6. Step 6: Final answer
    x = 46,752.57

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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.