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Finding the Fourth Proportional to 39,141.44, 58,714.08 and 15,764.72

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Solution

The fourth proportional to 39,141.44, 58,714.08 and 15,764.72 is: 23,647.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,141.44 : 58,714.08 = 15,764.72 : x
  2. Step 2: Convert to fraction form
    39,141.44/58,714.08 = 15,764.72/x
  3. Step 3: Cross multiply
    39,141.44x = 58,714.08 × 15,764.72
  4. Step 4: Simplify right side
    39,141.44x = 925,611,031.26
  5. Step 5: Solve for x
    x = 925,611,031.26/39,141.44
  6. Step 6: Final answer
    x = 23,647.85

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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.