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Finding the Fourth Proportional to 60,645.91, 83,690.80 and 33,787.93

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Solution

The fourth proportional to 60,645.91, 83,690.80 and 33,787.93 is: 46,627.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,645.91 : 83,690.80 = 33,787.93 : x
  2. Step 2: Convert to fraction form
    60,645.91/83,690.80 = 33,787.93/x
  3. Step 3: Cross multiply
    60,645.91x = 83,690.80 × 33,787.93
  4. Step 4: Simplify right side
    60,645.91x = 2,827,738,892.04
  5. Step 5: Solve for x
    x = 2,827,738,892.04/60,645.91
  6. Step 6: Final answer
    x = 46,627.03

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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.