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Finding the Fourth Proportional to 25,283.71, 34,893.08 and 14,105.71

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Solution

The fourth proportional to 25,283.71, 34,893.08 and 14,105.71 is: 19,466.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,283.71 : 34,893.08 = 14,105.71 : x
  2. Step 2: Convert to fraction form
    25,283.71/34,893.08 = 14,105.71/x
  3. Step 3: Cross multiply
    25,283.71x = 34,893.08 × 14,105.71
  4. Step 4: Simplify right side
    25,283.71x = 492,191,667.49
  5. Step 5: Solve for x
    x = 492,191,667.49/25,283.71
  6. Step 6: Final answer
    x = 19,466.75

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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.