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Finding the Fourth Proportional to 39,995.01, 59,996.10 and 10,413.10

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Solution

The fourth proportional to 39,995.01, 59,996.10 and 10,413.10 is: 15,620.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,995.01 : 59,996.10 = 10,413.10 : x
  2. Step 2: Convert to fraction form
    39,995.01/59,996.10 = 10,413.10/x
  3. Step 3: Cross multiply
    39,995.01x = 59,996.10 × 10,413.10
  4. Step 4: Simplify right side
    39,995.01x = 624,745,203.21
  5. Step 5: Solve for x
    x = 624,745,203.21/39,995.01
  6. Step 6: Final answer
    x = 15,620.58

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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.