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Finding the Fourth Proportional to 37,699.52, 52,027.68 and 20,932.64

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Solution

The fourth proportional to 37,699.52, 52,027.68 and 20,932.64 is: 28,888.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,699.52 : 52,027.68 = 20,932.64 : x
  2. Step 2: Convert to fraction form
    37,699.52/52,027.68 = 20,932.64/x
  3. Step 3: Cross multiply
    37,699.52x = 52,027.68 × 20,932.64
  4. Step 4: Simplify right side
    37,699.52x = 1,089,076,695.48
  5. Step 5: Solve for x
    x = 1,089,076,695.48/37,699.52
  6. Step 6: Final answer
    x = 28,888.34

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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.