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Finding the Fourth Proportional to 7,052.81, 9,733.59 and 3,909.61

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Solution

The fourth proportional to 7,052.81, 9,733.59 and 3,909.61 is: 5,395.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,052.81 : 9,733.59 = 3,909.61 : x
  2. Step 2: Convert to fraction form
    7,052.81/9,733.59 = 3,909.61/x
  3. Step 3: Cross multiply
    7,052.81x = 9,733.59 × 3,909.61
  4. Step 4: Simplify right side
    7,052.81x = 38,054,516.47
  5. Step 5: Solve for x
    x = 38,054,516.47/7,052.81
  6. Step 6: Final answer
    x = 5,395.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.