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Finding the Fourth Proportional to 7,474.08, 10,314.48 and 4,330.08

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Solution

The fourth proportional to 7,474.08, 10,314.48 and 4,330.08 is: 5,975.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.08 : 10,314.48 = 4,330.08 : x
  2. Step 2: Convert to fraction form
    7,474.08/10,314.48 = 4,330.08/x
  3. Step 3: Cross multiply
    7,474.08x = 10,314.48 × 4,330.08
  4. Step 4: Simplify right side
    7,474.08x = 44,662,523.56
  5. Step 5: Solve for x
    x = 44,662,523.56/7,474.08
  6. Step 6: Final answer
    x = 5,975.66

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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.