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Finding the Fourth Proportional to 38,995.99, 58,493.99 and 9,413.80

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Solution

The fourth proportional to 38,995.99, 58,493.99 and 9,413.80 is: 14,120.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,995.99 : 58,493.99 = 9,413.80 : x
  2. Step 2: Convert to fraction form
    38,995.99/58,493.99 = 9,413.80/x
  3. Step 3: Cross multiply
    38,995.99x = 58,493.99 × 9,413.80
  4. Step 4: Simplify right side
    38,995.99x = 550,650,723.06
  5. Step 5: Solve for x
    x = 550,650,723.06/38,995.99
  6. Step 6: Final answer
    x = 14,120.70

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1.5x scale

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.