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Finding the Fourth Proportional to 17,821, 24,564.65 and 14,038.18

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Solution

The fourth proportional to 17,821, 24,564.65 and 14,038.18 is: 19,350.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,821 : 24,564.65 = 14,038.18 : x
  2. Step 2: Convert to fraction form
    17,821/24,564.65 = 14,038.18/x
  3. Step 3: Cross multiply
    17,821x = 24,564.65 × 14,038.18
  4. Step 4: Simplify right side
    17,821x = 344,842,978.34
  5. Step 5: Solve for x
    x = 344,842,978.34/17,821
  6. Step 6: Final answer
    x = 19,350.37

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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.