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Finding the Fourth Proportional to 8,908.86, 13,365.11 and 3,064.71

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Solution

The fourth proportional to 8,908.86, 13,365.11 and 3,064.71 is: 4,597.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.86 : 13,365.11 = 3,064.71 : x
  2. Step 2: Convert to fraction form
    8,908.86/13,365.11 = 3,064.71/x
  3. Step 3: Cross multiply
    8,908.86x = 13,365.11 × 3,064.71
  4. Step 4: Simplify right side
    8,908.86x = 40,960,193.93
  5. Step 5: Solve for x
    x = 40,960,193.93/8,908.86
  6. Step 6: Final answer
    x = 4,597.69

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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.