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Finding the Fourth Proportional to 19,052.56, 28,575.96 and 7,364.32

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Solution

The fourth proportional to 19,052.56, 28,575.96 and 7,364.32 is: 11,045.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,052.56 : 28,575.96 = 7,364.32 : x
  2. Step 2: Convert to fraction form
    19,052.56/28,575.96 = 7,364.32/x
  3. Step 3: Cross multiply
    19,052.56x = 28,575.96 × 7,364.32
  4. Step 4: Simplify right side
    19,052.56x = 210,442,513.75
  5. Step 5: Solve for x
    x = 210,442,513.75/19,052.56
  6. Step 6: Final answer
    x = 11,045.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.