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Finding the Fourth Proportional to 53,600.64, 73,972.44 and 29,728.32

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Solution

The fourth proportional to 53,600.64, 73,972.44 and 29,728.32 is: 41,027.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,600.64 : 73,972.44 = 29,728.32 : x
  2. Step 2: Convert to fraction form
    53,600.64/73,972.44 = 29,728.32/x
  3. Step 3: Cross multiply
    53,600.64x = 73,972.44 × 29,728.32
  4. Step 4: Simplify right side
    53,600.64x = 2,199,076,367.50
  5. Step 5: Solve for x
    x = 2,199,076,367.50/53,600.64
  6. Step 6: Final answer
    x = 41,027.05

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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.