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Finding the Fourth Proportional to 36,702.52, 55,053.76 and 9,000.52

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Solution

The fourth proportional to 36,702.52, 55,053.76 and 9,000.52 is: 13,500.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,702.52 : 55,053.76 = 9,000.52 : x
  2. Step 2: Convert to fraction form
    36,702.52/55,053.76 = 9,000.52/x
  3. Step 3: Cross multiply
    36,702.52x = 55,053.76 × 9,000.52
  4. Step 4: Simplify right side
    36,702.52x = 495,512,467.96
  5. Step 5: Solve for x
    x = 495,512,467.96/36,702.52
  6. Step 6: Final answer
    x = 13,500.78

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Similar ratio
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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.