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Finding the Fourth Proportional to 37,585.74, 51,867.74 and 20,589.84

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Solution

The fourth proportional to 37,585.74, 51,867.74 and 20,589.84 is: 28,413.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,585.74 : 51,867.74 = 20,589.84 : x
  2. Step 2: Convert to fraction form
    37,585.74/51,867.74 = 20,589.84/x
  3. Step 3: Cross multiply
    37,585.74x = 51,867.74 × 20,589.84
  4. Step 4: Simplify right side
    37,585.74x = 1,067,948,364.81
  5. Step 5: Solve for x
    x = 1,067,948,364.81/37,585.74
  6. Step 6: Final answer
    x = 28,413.66

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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.