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Finding the Fourth Proportional to 6,255.36, 8,657.28 and 5,374.08

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Solution

The fourth proportional to 6,255.36, 8,657.28 and 5,374.08 is: 7,437.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,255.36 : 8,657.28 = 5,374.08 : x
  2. Step 2: Convert to fraction form
    6,255.36/8,657.28 = 5,374.08/x
  3. Step 3: Cross multiply
    6,255.36x = 8,657.28 × 5,374.08
  4. Step 4: Simplify right side
    6,255.36x = 46,524,915.30
  5. Step 5: Solve for x
    x = 46,524,915.30/6,255.36
  6. Step 6: Final answer
    x = 7,437.61

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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.