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Finding the Fourth Proportional to 65,887.73, 90,925.10 and 35,673.06

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Solution

The fourth proportional to 65,887.73, 90,925.10 and 35,673.06 is: 49,228.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,887.73 : 90,925.10 = 35,673.06 : x
  2. Step 2: Convert to fraction form
    65,887.73/90,925.10 = 35,673.06/x
  3. Step 3: Cross multiply
    65,887.73x = 90,925.10 × 35,673.06
  4. Step 4: Simplify right side
    65,887.73x = 3,243,576,369.44
  5. Step 5: Solve for x
    x = 3,243,576,369.44/65,887.73
  6. Step 6: Final answer
    x = 49,228.84

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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.