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Finding the Fourth Proportional to 16,365.18, 24,552 and 4,679.28

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Solution

The fourth proportional to 16,365.18, 24,552 and 4,679.28 is: 7,020.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,365.18 : 24,552 = 4,679.28 : x
  2. Step 2: Convert to fraction form
    16,365.18/24,552 = 4,679.28/x
  3. Step 3: Cross multiply
    16,365.18x = 24,552 × 4,679.28
  4. Step 4: Simplify right side
    16,365.18x = 114,885,682.56
  5. Step 5: Solve for x
    x = 114,885,682.56/16,365.18
  6. Step 6: Final answer
    x = 7,020.13

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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.