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Finding the Fourth Proportional to 32,167.68, 44,390.88 and 18,020.40

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Solution

The fourth proportional to 32,167.68, 44,390.88 and 18,020.40 is: 24,867.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,167.68 : 44,390.88 = 18,020.40 : x
  2. Step 2: Convert to fraction form
    32,167.68/44,390.88 = 18,020.40/x
  3. Step 3: Cross multiply
    32,167.68x = 44,390.88 × 18,020.40
  4. Step 4: Simplify right side
    32,167.68x = 799,941,413.95
  5. Step 5: Solve for x
    x = 799,941,413.95/32,167.68
  6. Step 6: Final answer
    x = 24,867.86

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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.