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Finding the Fourth Proportional to 64,311.76, 96,467.64 and 26,851.43

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Solution

The fourth proportional to 64,311.76, 96,467.64 and 26,851.43 is: 40,277.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,311.76 : 96,467.64 = 26,851.43 : x
  2. Step 2: Convert to fraction form
    64,311.76/96,467.64 = 26,851.43/x
  3. Step 3: Cross multiply
    64,311.76x = 96,467.64 × 26,851.43
  4. Step 4: Simplify right side
    64,311.76x = 2,590,294,323.89
  5. Step 5: Solve for x
    x = 2,590,294,323.89/64,311.76
  6. Step 6: Final answer
    x = 40,277.15

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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.