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Finding the Fourth Proportional to 20,037.92, 30,091.03 and 16,702.74

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Solution

The fourth proportional to 20,037.92, 30,091.03 and 16,702.74 is: 25,082.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,037.92 : 30,091.03 = 16,702.74 : x
  2. Step 2: Convert to fraction form
    20,037.92/30,091.03 = 16,702.74/x
  3. Step 3: Cross multiply
    20,037.92x = 30,091.03 × 16,702.74
  4. Step 4: Simplify right side
    20,037.92x = 502,602,608.67
  5. Step 5: Solve for x
    x = 502,602,608.67/20,037.92
  6. Step 6: Final answer
    x = 25,082.58

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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.