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Finding the Fourth Proportional to 64,940.74, 97,413.89 and 25,506.39

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Solution

The fourth proportional to 64,940.74, 97,413.89 and 25,506.39 is: 38,260.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,940.74 : 97,413.89 = 25,506.39 : x
  2. Step 2: Convert to fraction form
    64,940.74/97,413.89 = 25,506.39/x
  3. Step 3: Cross multiply
    64,940.74x = 97,413.89 × 25,506.39
  4. Step 4: Simplify right side
    64,940.74x = 2,484,676,669.76
  5. Step 5: Solve for x
    x = 2,484,676,669.76/64,940.74
  6. Step 6: Final answer
    x = 38,260.68

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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.