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Finding the Fourth Proportional to 57,413.30, 85,666.35 and 49,637.30

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Solution

The fourth proportional to 57,413.30, 85,666.35 and 49,637.30 is: 74,063.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,413.30 : 85,666.35 = 49,637.30 : x
  2. Step 2: Convert to fraction form
    57,413.30/85,666.35 = 49,637.30/x
  3. Step 3: Cross multiply
    57,413.30x = 85,666.35 × 49,637.30
  4. Step 4: Simplify right side
    57,413.30x = 4,252,246,066.67
  5. Step 5: Solve for x
    x = 4,252,246,066.67/57,413.30
  6. Step 6: Final answer
    x = 74,063.78

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