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Finding the Fourth Proportional to 64,630.50, 96,945.03 and 25,215.30

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Solution

The fourth proportional to 64,630.50, 96,945.03 and 25,215.30 is: 37,822.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,630.50 : 96,945.03 = 25,215.30 : x
  2. Step 2: Convert to fraction form
    64,630.50/96,945.03 = 25,215.30/x
  3. Step 3: Cross multiply
    64,630.50x = 96,945.03 × 25,215.30
  4. Step 4: Simplify right side
    64,630.50x = 2,444,497,404.16
  5. Step 5: Solve for x
    x = 2,444,497,404.16/64,630.50
  6. Step 6: Final answer
    x = 37,822.66

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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.