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Finding the Fourth Proportional to 61,257.78, 84,544.89 and 37,398.32

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Solution

The fourth proportional to 61,257.78, 84,544.89 and 37,398.32 is: 51,615.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,257.78 : 84,544.89 = 37,398.32 : x
  2. Step 2: Convert to fraction form
    61,257.78/84,544.89 = 37,398.32/x
  3. Step 3: Cross multiply
    61,257.78x = 84,544.89 × 37,398.32
  4. Step 4: Simplify right side
    61,257.78x = 3,161,836,427.86
  5. Step 5: Solve for x
    x = 3,161,836,427.86/61,257.78
  6. Step 6: Final answer
    x = 51,615.26

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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.