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Finding the Fourth Proportional to 14,010.52, 21,019.04 and 4,776.52

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Solution

The fourth proportional to 14,010.52, 21,019.04 and 4,776.52 is: 7,165.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,010.52 : 21,019.04 = 4,776.52 : x
  2. Step 2: Convert to fraction form
    14,010.52/21,019.04 = 4,776.52/x
  3. Step 3: Cross multiply
    14,010.52x = 21,019.04 × 4,776.52
  4. Step 4: Simplify right side
    14,010.52x = 100,397,864.94
  5. Step 5: Solve for x
    x = 100,397,864.94/14,010.52
  6. Step 6: Final answer
    x = 7,165.89

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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.