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Finding the Fourth Proportional to 14,382.59, 21,579.08 and 5,023.99

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Solution

The fourth proportional to 14,382.59, 21,579.08 and 5,023.99 is: 7,537.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,382.59 : 21,579.08 = 5,023.99 : x
  2. Step 2: Convert to fraction form
    14,382.59/21,579.08 = 5,023.99/x
  3. Step 3: Cross multiply
    14,382.59x = 21,579.08 × 5,023.99
  4. Step 4: Simplify right side
    14,382.59x = 108,413,082.13
  5. Step 5: Solve for x
    x = 108,413,082.13/14,382.59
  6. Step 6: Final answer
    x = 7,537.80

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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.