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Finding the Fourth Proportional to 69,601.76, 96,051.12 and 37,770.96

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Solution

The fourth proportional to 69,601.76, 96,051.12 and 37,770.96 is: 52,124.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,601.76 : 96,051.12 = 37,770.96 : x
  2. Step 2: Convert to fraction form
    69,601.76/96,051.12 = 37,770.96/x
  3. Step 3: Cross multiply
    69,601.76x = 96,051.12 × 37,770.96
  4. Step 4: Simplify right side
    69,601.76x = 3,627,943,011.48
  5. Step 5: Solve for x
    x = 3,627,943,011.48/69,601.76
  6. Step 6: Final answer
    x = 52,124.30

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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.