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Finding the Fourth Proportional to 9,363.96, 14,039.64 and 4,619.52

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Solution

The fourth proportional to 9,363.96, 14,039.64 and 4,619.52 is: 6,926.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,363.96 : 14,039.64 = 4,619.52 : x
  2. Step 2: Convert to fraction form
    9,363.96/14,039.64 = 4,619.52/x
  3. Step 3: Cross multiply
    9,363.96x = 14,039.64 × 4,619.52
  4. Step 4: Simplify right side
    9,363.96x = 64,856,397.77
  5. Step 5: Solve for x
    x = 64,856,397.77/9,363.96
  6. Step 6: Final answer
    x = 6,926.17

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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.