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Finding the Fourth Proportional to 64,528.64, 96,818 and 25,113.44

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Solution

The fourth proportional to 64,528.64, 96,818 and 25,113.44 is: 37,679.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,528.64 : 96,818 = 25,113.44 : x
  2. Step 2: Convert to fraction form
    64,528.64/96,818 = 25,113.44/x
  3. Step 3: Cross multiply
    64,528.64x = 96,818 × 25,113.44
  4. Step 4: Simplify right side
    64,528.64x = 2,431,433,033.92
  5. Step 5: Solve for x
    x = 2,431,433,033.92/64,528.64
  6. Step 6: Final answer
    x = 37,679.91

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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.