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Finding the Fourth Proportional to 53,540.64, 73,889.64 and 29,668.32

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Solution

The fourth proportional to 53,540.64, 73,889.64 and 29,668.32 is: 40,944.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,540.64 : 73,889.64 = 29,668.32 : x
  2. Step 2: Convert to fraction form
    53,540.64/73,889.64 = 29,668.32/x
  3. Step 3: Cross multiply
    53,540.64x = 73,889.64 × 29,668.32
  4. Step 4: Simplify right side
    53,540.64x = 2,192,181,484.20
  5. Step 5: Solve for x
    x = 2,192,181,484.20/53,540.64
  6. Step 6: Final answer
    x = 40,944.25

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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.