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Finding the Fourth Proportional to 38,563.64, 53,175.90 and 25,110.20

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Solution

The fourth proportional to 38,563.64, 53,175.90 and 25,110.20 is: 34,624.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,563.64 : 53,175.90 = 25,110.20 : x
  2. Step 2: Convert to fraction form
    38,563.64/53,175.90 = 25,110.20/x
  3. Step 3: Cross multiply
    38,563.64x = 53,175.90 × 25,110.20
  4. Step 4: Simplify right side
    38,563.64x = 1,335,257,484.18
  5. Step 5: Solve for x
    x = 1,335,257,484.18/38,563.64
  6. Step 6: Final answer
    x = 34,624.78

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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.