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Finding the Fourth Proportional to 31,751.58, 47,627.37 and 10,963.74

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Solution

The fourth proportional to 31,751.58, 47,627.37 and 10,963.74 is: 16,445.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,751.58 : 47,627.37 = 10,963.74 : x
  2. Step 2: Convert to fraction form
    31,751.58/47,627.37 = 10,963.74/x
  3. Step 3: Cross multiply
    31,751.58x = 47,627.37 × 10,963.74
  4. Step 4: Simplify right side
    31,751.58x = 522,174,101.56
  5. Step 5: Solve for x
    x = 522,174,101.56/31,751.58
  6. Step 6: Final answer
    x = 16,445.61

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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.