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Finding the Fourth Proportional to 64,476, 88,977.20 and 37,637.12

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Solution

The fourth proportional to 64,476, 88,977.20 and 37,637.12 is: 51,939.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,476 : 88,977.20 = 37,637.12 : x
  2. Step 2: Convert to fraction form
    64,476/88,977.20 = 37,637.12/x
  3. Step 3: Cross multiply
    64,476x = 88,977.20 × 37,637.12
  4. Step 4: Simplify right side
    64,476x = 3,348,845,553.66
  5. Step 5: Solve for x
    x = 3,348,845,553.66/64,476
  6. Step 6: Final answer
    x = 51,939.41

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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.