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Finding the Fourth Proportional to 47,392.64, 70,939.88 and 32,514.56

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Solution

The fourth proportional to 47,392.64, 70,939.88 and 32,514.56 is: 48,669.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,392.64 : 70,939.88 = 32,514.56 : x
  2. Step 2: Convert to fraction form
    47,392.64/70,939.88 = 32,514.56/x
  3. Step 3: Cross multiply
    47,392.64x = 70,939.88 × 32,514.56
  4. Step 4: Simplify right side
    47,392.64x = 2,306,578,984.65
  5. Step 5: Solve for x
    x = 2,306,578,984.65/47,392.64
  6. Step 6: Final answer
    x = 48,669.56

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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.