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Finding the Fourth Proportional to 52,403.92, 78,618.06 and 14,964.49

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Solution

The fourth proportional to 52,403.92, 78,618.06 and 14,964.49 is: 22,450.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,403.92 : 78,618.06 = 14,964.49 : x
  2. Step 2: Convert to fraction form
    52,403.92/78,618.06 = 14,964.49/x
  3. Step 3: Cross multiply
    52,403.92x = 78,618.06 × 14,964.49
  4. Step 4: Simplify right side
    52,403.92x = 1,176,479,172.69
  5. Step 5: Solve for x
    x = 1,176,479,172.69/52,403.92
  6. Step 6: Final answer
    x = 22,450.21

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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.