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Finding the Fourth Proportional to 61,005.31, 91,523.73 and 35,726.16

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Solution

The fourth proportional to 61,005.31, 91,523.73 and 35,726.16 is: 53,598.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,005.31 : 91,523.73 = 35,726.16 : x
  2. Step 2: Convert to fraction form
    61,005.31/91,523.73 = 35,726.16/x
  3. Step 3: Cross multiply
    61,005.31x = 91,523.73 × 35,726.16
  4. Step 4: Simplify right side
    61,005.31x = 3,269,791,898.96
  5. Step 5: Solve for x
    x = 3,269,791,898.96/61,005.31
  6. Step 6: Final answer
    x = 53,598.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.