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Finding the Fourth Proportional to 58,998.60, 81,413.10 and 33,499.80

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Solution

The fourth proportional to 58,998.60, 81,413.10 and 33,499.80 is: 46,226.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,998.60 : 81,413.10 = 33,499.80 : x
  2. Step 2: Convert to fraction form
    58,998.60/81,413.10 = 33,499.80/x
  3. Step 3: Cross multiply
    58,998.60x = 81,413.10 × 33,499.80
  4. Step 4: Simplify right side
    58,998.60x = 2,727,322,567.38
  5. Step 5: Solve for x
    x = 2,727,322,567.38/58,998.60
  6. Step 6: Final answer
    x = 46,226.90

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1.5x scale

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.