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Finding the Fourth Proportional to 69,339.60, 95,688 and 37,507.92

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Solution

The fourth proportional to 69,339.60, 95,688 and 37,507.92 is: 51,760.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,339.60 : 95,688 = 37,507.92 : x
  2. Step 2: Convert to fraction form
    69,339.60/95,688 = 37,507.92/x
  3. Step 3: Cross multiply
    69,339.60x = 95,688 × 37,507.92
  4. Step 4: Simplify right side
    69,339.60x = 3,589,057,848.96
  5. Step 5: Solve for x
    x = 3,589,057,848.96/69,339.60
  6. Step 6: Final answer
    x = 51,760.58

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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.