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Finding the Fourth Proportional to 36,487.65, 54,730.01 and 11,529.12

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Solution

The fourth proportional to 36,487.65, 54,730.01 and 11,529.12 is: 17,293.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,487.65 : 54,730.01 = 11,529.12 : x
  2. Step 2: Convert to fraction form
    36,487.65/54,730.01 = 11,529.12/x
  3. Step 3: Cross multiply
    36,487.65x = 54,730.01 × 11,529.12
  4. Step 4: Simplify right side
    36,487.65x = 630,988,795.25
  5. Step 5: Solve for x
    x = 630,988,795.25/36,487.65
  6. Step 6: Final answer
    x = 17,293.22

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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.