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Finding the Fourth Proportional to 25,492.68, 38,239.02 and 7,963.89

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Solution

The fourth proportional to 25,492.68, 38,239.02 and 7,963.89 is: 11,945.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,492.68 : 38,239.02 = 7,963.89 : x
  2. Step 2: Convert to fraction form
    25,492.68/38,239.02 = 7,963.89/x
  3. Step 3: Cross multiply
    25,492.68x = 38,239.02 × 7,963.89
  4. Step 4: Simplify right side
    25,492.68x = 304,531,348.99
  5. Step 5: Solve for x
    x = 304,531,348.99/25,492.68
  6. Step 6: Final answer
    x = 11,945.84

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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.