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Finding the Fourth Proportional to 5,539.44, 8,257.82 and 5,124.72

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Solution

The fourth proportional to 5,539.44, 8,257.82 and 5,124.72 is: 7,639.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.44 : 8,257.82 = 5,124.72 : x
  2. Step 2: Convert to fraction form
    5,539.44/8,257.82 = 5,124.72/x
  3. Step 3: Cross multiply
    5,539.44x = 8,257.82 × 5,124.72
  4. Step 4: Simplify right side
    5,539.44x = 42,319,015.31
  5. Step 5: Solve for x
    x = 42,319,015.31/5,539.44
  6. Step 6: Final answer
    x = 7,639.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.