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Finding the Fourth Proportional to 38,574.72, 57,859.08 and 15,201.36

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Solution

The fourth proportional to 38,574.72, 57,859.08 and 15,201.36 is: 22,800.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,574.72 : 57,859.08 = 15,201.36 : x
  2. Step 2: Convert to fraction form
    38,574.72/57,859.08 = 15,201.36/x
  3. Step 3: Cross multiply
    38,574.72x = 57,859.08 × 15,201.36
  4. Step 4: Simplify right side
    38,574.72x = 879,536,704.35
  5. Step 5: Solve for x
    x = 879,536,704.35/38,574.72
  6. Step 6: Final answer
    x = 22,800.86

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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.