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Finding the Fourth Proportional to 46,356, 68,937.66 and 44,879.82

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Solution

The fourth proportional to 46,356, 68,937.66 and 44,879.82 is: 66,742.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,356 : 68,937.66 = 44,879.82 : x
  2. Step 2: Convert to fraction form
    46,356/68,937.66 = 44,879.82/x
  3. Step 3: Cross multiply
    46,356x = 68,937.66 × 44,879.82
  4. Step 4: Simplify right side
    46,356x = 3,093,909,772.02
  5. Step 5: Solve for x
    x = 3,093,909,772.02/46,356
  6. Step 6: Final answer
    x = 66,742.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.