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Finding the Fourth Proportional to 9,342.70, 14,019.45 and 3,499.90

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Solution

The fourth proportional to 9,342.70, 14,019.45 and 3,499.90 is: 5,251.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,342.70 : 14,019.45 = 3,499.90 : x
  2. Step 2: Convert to fraction form
    9,342.70/14,019.45 = 3,499.90/x
  3. Step 3: Cross multiply
    9,342.70x = 14,019.45 × 3,499.90
  4. Step 4: Simplify right side
    9,342.70x = 49,066,673.06
  5. Step 5: Solve for x
    x = 49,066,673.06/9,342.70
  6. Step 6: Final answer
    x = 5,251.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.