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Finding the Fourth Proportional to 47,162.66, 70,728.96 and 15,566.86

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Solution

The fourth proportional to 47,162.66, 70,728.96 and 15,566.86 is: 23,345.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,162.66 : 70,728.96 = 15,566.86 : x
  2. Step 2: Convert to fraction form
    47,162.66/70,728.96 = 15,566.86/x
  3. Step 3: Cross multiply
    47,162.66x = 70,728.96 × 15,566.86
  4. Step 4: Simplify right side
    47,162.66x = 1,101,027,641.44
  5. Step 5: Solve for x
    x = 1,101,027,641.44/47,162.66
  6. Step 6: Final answer
    x = 23,345.32

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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.