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Finding the Fourth Proportional to 65,500.64, 98,271.72 and 23,379.79

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Solution

The fourth proportional to 65,500.64, 98,271.72 and 23,379.79 is: 35,077.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,500.64 : 98,271.72 = 23,379.79 : x
  2. Step 2: Convert to fraction form
    65,500.64/98,271.72 = 23,379.79/x
  3. Step 3: Cross multiply
    65,500.64x = 98,271.72 × 23,379.79
  4. Step 4: Simplify right side
    65,500.64x = 2,297,572,176.54
  5. Step 5: Solve for x
    x = 2,297,572,176.54/65,500.64
  6. Step 6: Final answer
    x = 35,077.10

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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.