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Finding the Fourth Proportional to 64,566.72, 96,880.80 and 31,250.88

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Solution

The fourth proportional to 64,566.72, 96,880.80 and 31,250.88 is: 46,891.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,566.72 : 96,880.80 = 31,250.88 : x
  2. Step 2: Convert to fraction form
    64,566.72/96,880.80 = 31,250.88/x
  3. Step 3: Cross multiply
    64,566.72x = 96,880.80 × 31,250.88
  4. Step 4: Simplify right side
    64,566.72x = 3,027,610,255.10
  5. Step 5: Solve for x
    x = 3,027,610,255.10/64,566.72
  6. Step 6: Final answer
    x = 46,891.19

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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.