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Finding the Fourth Proportional to 25,279.88, 34,888.44 and 13,950.44

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Solution

The fourth proportional to 25,279.88, 34,888.44 and 13,950.44 is: 19,252.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,279.88 : 34,888.44 = 13,950.44 : x
  2. Step 2: Convert to fraction form
    25,279.88/34,888.44 = 13,950.44/x
  3. Step 3: Cross multiply
    25,279.88x = 34,888.44 × 13,950.44
  4. Step 4: Simplify right side
    25,279.88x = 486,709,088.91
  5. Step 5: Solve for x
    x = 486,709,088.91/25,279.88
  6. Step 6: Final answer
    x = 19,252.82

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1.5x scale

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.