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Finding the Fourth Proportional to 28,357.44, 38,892.72 and 27,654.72

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Solution

The fourth proportional to 28,357.44, 38,892.72 and 27,654.72 is: 37,928.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,357.44 : 38,892.72 = 27,654.72 : x
  2. Step 2: Convert to fraction form
    28,357.44/38,892.72 = 27,654.72/x
  3. Step 3: Cross multiply
    28,357.44x = 38,892.72 × 27,654.72
  4. Step 4: Simplify right side
    28,357.44x = 1,075,567,281.64
  5. Step 5: Solve for x
    x = 1,075,567,281.64/28,357.44
  6. Step 6: Final answer
    x = 37,928.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.