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Finding the Fourth Proportional to 25,248.99, 34,843.65 and 14,644.79

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Solution

The fourth proportional to 25,248.99, 34,843.65 and 14,644.79 is: 20,209.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,248.99 : 34,843.65 = 14,644.79 : x
  2. Step 2: Convert to fraction form
    25,248.99/34,843.65 = 14,644.79/x
  3. Step 3: Cross multiply
    25,248.99x = 34,843.65 × 14,644.79
  4. Step 4: Simplify right side
    25,248.99x = 510,277,937.08
  5. Step 5: Solve for x
    x = 510,277,937.08/25,248.99
  6. Step 6: Final answer
    x = 20,209.84

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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.