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Finding the Fourth Proportional to 25,045.91, 34,563.77 and 13,715.22

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Solution

The fourth proportional to 25,045.91, 34,563.77 and 13,715.22 is: 18,927.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,045.91 : 34,563.77 = 13,715.22 : x
  2. Step 2: Convert to fraction form
    25,045.91/34,563.77 = 13,715.22/x
  3. Step 3: Cross multiply
    25,045.91x = 34,563.77 × 13,715.22
  4. Step 4: Simplify right side
    25,045.91x = 474,049,641.00
  5. Step 5: Solve for x
    x = 474,049,641.00/25,045.91
  6. Step 6: Final answer
    x = 18,927.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.