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Finding the Fourth Proportional to 64,480.16, 88,992.24 and 37,637.36

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Solution

The fourth proportional to 64,480.16, 88,992.24 and 37,637.36 is: 51,945.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,480.16 : 88,992.24 = 37,637.36 : x
  2. Step 2: Convert to fraction form
    64,480.16/88,992.24 = 37,637.36/x
  3. Step 3: Cross multiply
    64,480.16x = 88,992.24 × 37,637.36
  4. Step 4: Simplify right side
    64,480.16x = 3,349,432,974.09
  5. Step 5: Solve for x
    x = 3,349,432,974.09/64,480.16
  6. Step 6: Final answer
    x = 51,945.17

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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.