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Finding the Fourth Proportional to 25,253.50, 34,850.03 and 13,923.40

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Solution

The fourth proportional to 25,253.50, 34,850.03 and 13,923.40 is: 19,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,253.50 : 34,850.03 = 13,923.40 : x
  2. Step 2: Convert to fraction form
    25,253.50/34,850.03 = 13,923.40/x
  3. Step 3: Cross multiply
    25,253.50x = 34,850.03 × 13,923.40
  4. Step 4: Simplify right side
    25,253.50x = 485,230,907.70
  5. Step 5: Solve for x
    x = 485,230,907.70/25,253.50
  6. Step 6: Final answer
    x = 19,214.40

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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.