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Finding the Fourth Proportional to 60,812.78, 83,920.77 and 33,955.71

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Solution

The fourth proportional to 60,812.78, 83,920.77 and 33,955.71 is: 46,858.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,812.78 : 83,920.77 = 33,955.71 : x
  2. Step 2: Convert to fraction form
    60,812.78/83,920.77 = 33,955.71/x
  3. Step 3: Cross multiply
    60,812.78x = 83,920.77 × 33,955.71
  4. Step 4: Simplify right side
    60,812.78x = 2,849,589,159.32
  5. Step 5: Solve for x
    x = 2,849,589,159.32/60,812.78
  6. Step 6: Final answer
    x = 46,858.39

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.