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Finding the Fourth Proportional to 64,288.72, 96,430.20 and 17,541.44

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Solution

The fourth proportional to 64,288.72, 96,430.20 and 17,541.44 is: 26,311.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,288.72 : 96,430.20 = 17,541.44 : x
  2. Step 2: Convert to fraction form
    64,288.72/96,430.20 = 17,541.44/x
  3. Step 3: Cross multiply
    64,288.72x = 96,430.20 × 17,541.44
  4. Step 4: Simplify right side
    64,288.72x = 1,691,524,567.49
  5. Step 5: Solve for x
    x = 1,691,524,567.49/64,288.72
  6. Step 6: Final answer
    x = 26,311.37

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1.5x scale

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.