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Finding the Fourth Proportional to 38,322.64, 57,843.92 and 38,322.64

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Solution

The fourth proportional to 38,322.64, 57,843.92 and 38,322.64 is: 57,843.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,322.64 : 57,843.92 = 38,322.64 : x
  2. Step 2: Convert to fraction form
    38,322.64/57,843.92 = 38,322.64/x
  3. Step 3: Cross multiply
    38,322.64x = 57,843.92 × 38,322.64
  4. Step 4: Simplify right side
    38,322.64x = 2,216,731,722.35
  5. Step 5: Solve for x
    x = 2,216,731,722.35/38,322.64
  6. Step 6: Final answer
    x = 57,843.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.