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Finding the Fourth Proportional to 36,854.59, 50,860.70 and 20,941.74

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Solution

The fourth proportional to 36,854.59, 50,860.70 and 20,941.74 is: 28,900.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,854.59 : 50,860.70 = 20,941.74 : x
  2. Step 2: Convert to fraction form
    36,854.59/50,860.70 = 20,941.74/x
  3. Step 3: Cross multiply
    36,854.59x = 50,860.70 × 20,941.74
  4. Step 4: Simplify right side
    36,854.59x = 1,065,111,555.62
  5. Step 5: Solve for x
    x = 1,065,111,555.62/36,854.59
  6. Step 6: Final answer
    x = 28,900.38

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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.