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Finding the Fourth Proportional to 33,585.86, 46,348.49 and 18,478.20

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Solution

The fourth proportional to 33,585.86, 46,348.49 and 18,478.20 is: 25,499.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,585.86 : 46,348.49 = 18,478.20 : x
  2. Step 2: Convert to fraction form
    33,585.86/46,348.49 = 18,478.20/x
  3. Step 3: Cross multiply
    33,585.86x = 46,348.49 × 18,478.20
  4. Step 4: Simplify right side
    33,585.86x = 856,436,575.53
  5. Step 5: Solve for x
    x = 856,436,575.53/33,585.86
  6. Step 6: Final answer
    x = 25,499.92

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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.