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Finding the Fourth Proportional to 25,325.84, 34,949.76 and 14,147.84

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Solution

The fourth proportional to 25,325.84, 34,949.76 and 14,147.84 is: 19,524.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,325.84 : 34,949.76 = 14,147.84 : x
  2. Step 2: Convert to fraction form
    25,325.84/34,949.76 = 14,147.84/x
  3. Step 3: Cross multiply
    25,325.84x = 34,949.76 × 14,147.84
  4. Step 4: Simplify right side
    25,325.84x = 494,463,612.52
  5. Step 5: Solve for x
    x = 494,463,612.52/25,325.84
  6. Step 6: Final answer
    x = 19,524.08

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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.