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Finding the Fourth Proportional to 41,603.40, 62,413.20 and 12,022.20

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Solution

The fourth proportional to 41,603.40, 62,413.20 and 12,022.20 is: 18,035.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,603.40 : 62,413.20 = 12,022.20 : x
  2. Step 2: Convert to fraction form
    41,603.40/62,413.20 = 12,022.20/x
  3. Step 3: Cross multiply
    41,603.40x = 62,413.20 × 12,022.20
  4. Step 4: Simplify right side
    41,603.40x = 750,343,973.04
  5. Step 5: Solve for x
    x = 750,343,973.04/41,603.40
  6. Step 6: Final answer
    x = 18,035.64

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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.