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Finding the Fourth Proportional to 65,835.15, 98,750.51 and 26,381.67

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Solution

The fourth proportional to 65,835.15, 98,750.51 and 26,381.67 is: 39,571.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,835.15 : 98,750.51 = 26,381.67 : x
  2. Step 2: Convert to fraction form
    65,835.15/98,750.51 = 26,381.67/x
  3. Step 3: Cross multiply
    65,835.15x = 98,750.51 × 26,381.67
  4. Step 4: Simplify right side
    65,835.15x = 2,605,203,235.24
  5. Step 5: Solve for x
    x = 2,605,203,235.24/65,835.15
  6. Step 6: Final answer
    x = 39,571.62

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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.