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Finding the Fourth Proportional to 65,056.48, 89,777.04 and 35,248.48

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Solution

The fourth proportional to 65,056.48, 89,777.04 and 35,248.48 is: 48,642.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,056.48 : 89,777.04 = 35,248.48 : x
  2. Step 2: Convert to fraction form
    65,056.48/89,777.04 = 35,248.48/x
  3. Step 3: Cross multiply
    65,056.48x = 89,777.04 × 35,248.48
  4. Step 4: Simplify right side
    65,056.48x = 3,164,504,198.90
  5. Step 5: Solve for x
    x = 3,164,504,198.90/65,056.48
  6. Step 6: Final answer
    x = 48,642.41

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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.