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Finding the Fourth Proportional to 25,929.88, 38,894.88 and 17,589.26

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Solution

The fourth proportional to 25,929.88, 38,894.88 and 17,589.26 is: 26,383.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,929.88 : 38,894.88 = 17,589.26 : x
  2. Step 2: Convert to fraction form
    25,929.88/38,894.88 = 17,589.26/x
  3. Step 3: Cross multiply
    25,929.88x = 38,894.88 × 17,589.26
  4. Step 4: Simplify right side
    25,929.88x = 684,132,156.99
  5. Step 5: Solve for x
    x = 684,132,156.99/25,929.88
  6. Step 6: Final answer
    x = 26,383.93

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1.5x scale

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.