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Finding the Fourth Proportional to 6,374.96, 8,799.80 and 5,475.08

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Solution

The fourth proportional to 6,374.96, 8,799.80 and 5,475.08 is: 7,557.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,374.96 : 8,799.80 = 5,475.08 : x
  2. Step 2: Convert to fraction form
    6,374.96/8,799.80 = 5,475.08/x
  3. Step 3: Cross multiply
    6,374.96x = 8,799.80 × 5,475.08
  4. Step 4: Simplify right side
    6,374.96x = 48,179,608.98
  5. Step 5: Solve for x
    x = 48,179,608.98/6,374.96
  6. Step 6: Final answer
    x = 7,557.63

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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.