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Finding the Fourth Proportional to 65,382.65, 97,924.53 and 51,310.52

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Solution

The fourth proportional to 65,382.65, 97,924.53 and 51,310.52 is: 76,848.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,382.65 : 97,924.53 = 51,310.52 : x
  2. Step 2: Convert to fraction form
    65,382.65/97,924.53 = 51,310.52/x
  3. Step 3: Cross multiply
    65,382.65x = 97,924.53 × 51,310.52
  4. Step 4: Simplify right side
    65,382.65x = 5,024,558,555.06
  5. Step 5: Solve for x
    x = 5,024,558,555.06/65,382.65
  6. Step 6: Final answer
    x = 76,848.50

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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.