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Finding the Fourth Proportional to 62,736.16, 86,576.16 and 34,442.32

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Solution

The fourth proportional to 62,736.16, 86,576.16 and 34,442.32 is: 47,530.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,736.16 : 86,576.16 = 34,442.32 : x
  2. Step 2: Convert to fraction form
    62,736.16/86,576.16 = 34,442.32/x
  3. Step 3: Cross multiply
    62,736.16x = 86,576.16 × 34,442.32
  4. Step 4: Simplify right side
    62,736.16x = 2,981,883,807.09
  5. Step 5: Solve for x
    x = 2,981,883,807.09/62,736.16
  6. Step 6: Final answer
    x = 47,530.54

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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.