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Finding the Fourth Proportional to 33,875.88, 46,753.08 and 20,454.72

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Solution

The fourth proportional to 33,875.88, 46,753.08 and 20,454.72 is: 28,230.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,875.88 : 46,753.08 = 20,454.72 : x
  2. Step 2: Convert to fraction form
    33,875.88/46,753.08 = 20,454.72/x
  3. Step 3: Cross multiply
    33,875.88x = 46,753.08 × 20,454.72
  4. Step 4: Simplify right side
    33,875.88x = 956,321,160.54
  5. Step 5: Solve for x
    x = 956,321,160.54/33,875.88
  6. Step 6: Final answer
    x = 28,230.15

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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.