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Finding the Fourth Proportional to 65,014.65, 89,718.84 and 36,334.58

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Solution

The fourth proportional to 65,014.65, 89,718.84 and 36,334.58 is: 50,140.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,014.65 : 89,718.84 = 36,334.58 : x
  2. Step 2: Convert to fraction form
    65,014.65/89,718.84 = 36,334.58/x
  3. Step 3: Cross multiply
    65,014.65x = 89,718.84 × 36,334.58
  4. Step 4: Simplify right side
    65,014.65x = 3,259,895,920.89
  5. Step 5: Solve for x
    x = 3,259,895,920.89/65,014.65
  6. Step 6: Final answer
    x = 50,140.94

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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.