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Finding the Fourth Proportional to 60,874.94, 91,312.41 and 39,947.38

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Solution

The fourth proportional to 60,874.94, 91,312.41 and 39,947.38 is: 59,921.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,874.94 : 91,312.41 = 39,947.38 : x
  2. Step 2: Convert to fraction form
    60,874.94/91,312.41 = 39,947.38/x
  3. Step 3: Cross multiply
    60,874.94x = 91,312.41 × 39,947.38
  4. Step 4: Simplify right side
    60,874.94x = 3,647,691,462.51
  5. Step 5: Solve for x
    x = 3,647,691,462.51/60,874.94
  6. Step 6: Final answer
    x = 59,921.07

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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.