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Finding the Fourth Proportional to 47,657.92, 65,661.78 and 34,889.44

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Solution

The fourth proportional to 47,657.92, 65,661.78 and 34,889.44 is: 48,069.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,657.92 : 65,661.78 = 34,889.44 : x
  2. Step 2: Convert to fraction form
    47,657.92/65,661.78 = 34,889.44/x
  3. Step 3: Cross multiply
    47,657.92x = 65,661.78 × 34,889.44
  4. Step 4: Simplify right side
    47,657.92x = 2,290,902,733.60
  5. Step 5: Solve for x
    x = 2,290,902,733.60/47,657.92
  6. Step 6: Final answer
    x = 48,069.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.