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Finding the Fourth Proportional to 37,699.56, 52,027.80 and 20,932.56

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Solution

The fourth proportional to 37,699.56, 52,027.80 and 20,932.56 is: 28,888.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,699.56 : 52,027.80 = 20,932.56 : x
  2. Step 2: Convert to fraction form
    37,699.56/52,027.80 = 20,932.56/x
  3. Step 3: Cross multiply
    37,699.56x = 52,027.80 × 20,932.56
  4. Step 4: Simplify right side
    37,699.56x = 1,089,075,045.17
  5. Step 5: Solve for x
    x = 1,089,075,045.17/37,699.56
  6. Step 6: Final answer
    x = 28,888.27

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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.