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Finding the Fourth Proportional to 36,702.10, 55,053.15 and 25,621.30

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Solution

The fourth proportional to 36,702.10, 55,053.15 and 25,621.30 is: 38,431.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,702.10 : 55,053.15 = 25,621.30 : x
  2. Step 2: Convert to fraction form
    36,702.10/55,053.15 = 25,621.30/x
  3. Step 3: Cross multiply
    36,702.10x = 55,053.15 × 25,621.30
  4. Step 4: Simplify right side
    36,702.10x = 1,410,533,272.10
  5. Step 5: Solve for x
    x = 1,410,533,272.10/36,702.10
  6. Step 6: Final answer
    x = 38,431.95

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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.