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Finding the Fourth Proportional to 69,462, 95,857.60 and 37,631.12

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Solution

The fourth proportional to 69,462, 95,857.60 and 37,631.12 is: 51,930.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,462 : 95,857.60 = 37,631.12 : x
  2. Step 2: Convert to fraction form
    69,462/95,857.60 = 37,631.12/x
  3. Step 3: Cross multiply
    69,462x = 95,857.60 × 37,631.12
  4. Step 4: Simplify right side
    69,462x = 3,607,228,848.51
  5. Step 5: Solve for x
    x = 3,607,228,848.51/69,462
  6. Step 6: Final answer
    x = 51,930.97

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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.