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Finding the Fourth Proportional to 7,369.65, 11,035.44 and 4,078.89

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Solution

The fourth proportional to 7,369.65, 11,035.44 and 4,078.89 is: 6,107.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,369.65 : 11,035.44 = 4,078.89 : x
  2. Step 2: Convert to fraction form
    7,369.65/11,035.44 = 4,078.89/x
  3. Step 3: Cross multiply
    7,369.65x = 11,035.44 × 4,078.89
  4. Step 4: Simplify right side
    7,369.65x = 45,012,345.86
  5. Step 5: Solve for x
    x = 45,012,345.86/7,369.65
  6. Step 6: Final answer
    x = 6,107.80

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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.