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Finding the Fourth Proportional to 25,345.99, 34,977.27 and 14,167.99

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Solution

The fourth proportional to 25,345.99, 34,977.27 and 14,167.99 is: 19,551.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,345.99 : 34,977.27 = 14,167.99 : x
  2. Step 2: Convert to fraction form
    25,345.99/34,977.27 = 14,167.99/x
  3. Step 3: Cross multiply
    25,345.99x = 34,977.27 × 14,167.99
  4. Step 4: Simplify right side
    25,345.99x = 495,557,611.59
  5. Step 5: Solve for x
    x = 495,557,611.59/25,345.99
  6. Step 6: Final answer
    x = 19,551.72

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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.