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Finding the Fourth Proportional to 65,568.67, 90,484.59 and 36,888.35

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Solution

The fourth proportional to 65,568.67, 90,484.59 and 36,888.35 is: 50,905.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,568.67 : 90,484.59 = 36,888.35 : x
  2. Step 2: Convert to fraction form
    65,568.67/90,484.59 = 36,888.35/x
  3. Step 3: Cross multiply
    65,568.67x = 90,484.59 × 36,888.35
  4. Step 4: Simplify right side
    65,568.67x = 3,337,827,451.74
  5. Step 5: Solve for x
    x = 3,337,827,451.74/65,568.67
  6. Step 6: Final answer
    x = 50,905.83

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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.