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Finding the Fourth Proportional to 7,470.62, 10,310.46 and 4,327.01

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Solution

The fourth proportional to 7,470.62, 10,310.46 and 4,327.01 is: 5,971.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.62 : 10,310.46 = 4,327.01 : x
  2. Step 2: Convert to fraction form
    7,470.62/10,310.46 = 4,327.01/x
  3. Step 3: Cross multiply
    7,470.62x = 10,310.46 × 4,327.01
  4. Step 4: Simplify right side
    7,470.62x = 44,613,463.52
  5. Step 5: Solve for x
    x = 44,613,463.52/7,470.62
  6. Step 6: Final answer
    x = 5,971.86

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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.