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Finding the Fourth Proportional to 61,090.90, 84,315.81 and 35,952.82

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Solution

The fourth proportional to 61,090.90, 84,315.81 and 35,952.82 is: 49,620.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,090.90 : 84,315.81 = 35,952.82 : x
  2. Step 2: Convert to fraction form
    61,090.90/84,315.81 = 35,952.82/x
  3. Step 3: Cross multiply
    61,090.90x = 84,315.81 × 35,952.82
  4. Step 4: Simplify right side
    61,090.90x = 3,031,391,140.08
  5. Step 5: Solve for x
    x = 3,031,391,140.08/61,090.90
  6. Step 6: Final answer
    x = 49,620.99

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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.