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Finding the Fourth Proportional to 68,038.52, 93,895.56 and 37,413.95

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Solution

The fourth proportional to 68,038.52, 93,895.56 and 37,413.95 is: 51,632.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,038.52 : 93,895.56 = 37,413.95 : x
  2. Step 2: Convert to fraction form
    68,038.52/93,895.56 = 37,413.95/x
  3. Step 3: Cross multiply
    68,038.52x = 93,895.56 × 37,413.95
  4. Step 4: Simplify right side
    68,038.52x = 3,513,003,317.58
  5. Step 5: Solve for x
    x = 3,513,003,317.58/68,038.52
  6. Step 6: Final answer
    x = 51,632.57

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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.