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Finding the Fourth Proportional to 45,685.52, 68,587.95 and 36,684.44

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Solution

The fourth proportional to 45,685.52, 68,587.95 and 36,684.44 is: 55,074.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,685.52 : 68,587.95 = 36,684.44 : x
  2. Step 2: Convert to fraction form
    45,685.52/68,587.95 = 36,684.44/x
  3. Step 3: Cross multiply
    45,685.52x = 68,587.95 × 36,684.44
  4. Step 4: Simplify right side
    45,685.52x = 2,516,110,193.56
  5. Step 5: Solve for x
    x = 2,516,110,193.56/45,685.52
  6. Step 6: Final answer
    x = 55,074.57

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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.