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Finding the Fourth Proportional to 7,605.54, 11,406.87 and 4,793.22

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Solution

The fourth proportional to 7,605.54, 11,406.87 and 4,793.22 is: 7,188.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605.54 : 11,406.87 = 4,793.22 : x
  2. Step 2: Convert to fraction form
    7,605.54/11,406.87 = 4,793.22/x
  3. Step 3: Cross multiply
    7,605.54x = 11,406.87 × 4,793.22
  4. Step 4: Simplify right side
    7,605.54x = 54,675,637.42
  5. Step 5: Solve for x
    x = 54,675,637.42/7,605.54
  6. Step 6: Final answer
    x = 7,188.92

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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.