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Finding the Fourth Proportional to 64,314.72, 96,472.11 and 26,854.37

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Solution

The fourth proportional to 64,314.72, 96,472.11 and 26,854.37 is: 40,281.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,314.72 : 96,472.11 = 26,854.37 : x
  2. Step 2: Convert to fraction form
    64,314.72/96,472.11 = 26,854.37/x
  3. Step 3: Cross multiply
    64,314.72x = 96,472.11 × 26,854.37
  4. Step 4: Simplify right side
    64,314.72x = 2,590,697,254.26
  5. Step 5: Solve for x
    x = 2,590,697,254.26/64,314.72
  6. Step 6: Final answer
    x = 40,281.56

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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.