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Finding the Fourth Proportional to 73,644.48, 101,630.52 and 40,110.48

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Solution

The fourth proportional to 73,644.48, 101,630.52 and 40,110.48 is: 55,353.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,644.48 : 101,630.52 = 40,110.48 : x
  2. Step 2: Convert to fraction form
    73,644.48/101,630.52 = 40,110.48/x
  3. Step 3: Cross multiply
    73,644.48x = 101,630.52 × 40,110.48
  4. Step 4: Simplify right side
    73,644.48x = 4,076,448,939.85
  5. Step 5: Solve for x
    x = 4,076,448,939.85/73,644.48
  6. Step 6: Final answer
    x = 55,353.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.