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Finding the Fourth Proportional to 44,259.39, 66,413.39 and 20,885.22

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Solution

The fourth proportional to 44,259.39, 66,413.39 and 20,885.22 is: 31,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,259.39 : 66,413.39 = 20,885.22 : x
  2. Step 2: Convert to fraction form
    44,259.39/66,413.39 = 20,885.22/x
  3. Step 3: Cross multiply
    44,259.39x = 66,413.39 × 20,885.22
  4. Step 4: Simplify right side
    44,259.39x = 1,387,058,156.67
  5. Step 5: Solve for x
    x = 1,387,058,156.67/44,259.39
  6. Step 6: Final answer
    x = 31,339.30

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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.