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Finding the Fourth Proportional to 7,364.79, 11,019.92 and 4,404.87

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Solution

The fourth proportional to 7,364.79, 11,019.92 and 4,404.87 is: 6,590.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,364.79 : 11,019.92 = 4,404.87 : x
  2. Step 2: Convert to fraction form
    7,364.79/11,019.92 = 4,404.87/x
  3. Step 3: Cross multiply
    7,364.79x = 11,019.92 × 4,404.87
  4. Step 4: Simplify right side
    7,364.79x = 48,541,292.99
  5. Step 5: Solve for x
    x = 48,541,292.99/7,364.79
  6. Step 6: Final answer
    x = 6,590.99

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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.