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Finding the Fourth Proportional to 25,295.94, 34,910.88 and 14,684.94

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Solution

The fourth proportional to 25,295.94, 34,910.88 and 14,684.94 is: 20,266.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,295.94 : 34,910.88 = 14,684.94 : x
  2. Step 2: Convert to fraction form
    25,295.94/34,910.88 = 14,684.94/x
  3. Step 3: Cross multiply
    25,295.94x = 34,910.88 × 14,684.94
  4. Step 4: Simplify right side
    25,295.94x = 512,664,178.15
  5. Step 5: Solve for x
    x = 512,664,178.15/25,295.94
  6. Step 6: Final answer
    x = 20,266.66

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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.