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Finding the Fourth Proportional to 69,165.70, 95,397.55 and 47,662.63

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Solution

The fourth proportional to 69,165.70, 95,397.55 and 47,662.63 is: 65,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,165.70 : 95,397.55 = 47,662.63 : x
  2. Step 2: Convert to fraction form
    69,165.70/95,397.55 = 47,662.63/x
  3. Step 3: Cross multiply
    69,165.70x = 95,397.55 × 47,662.63
  4. Step 4: Simplify right side
    69,165.70x = 4,546,897,770.91
  5. Step 5: Solve for x
    x = 4,546,897,770.91/69,165.70
  6. Step 6: Final answer
    x = 65,739.20

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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.