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Finding the Fourth Proportional to 25,195.59, 34,769.99 and 13,865.11

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Solution

The fourth proportional to 25,195.59, 34,769.99 and 13,865.11 is: 19,133.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,195.59 : 34,769.99 = 13,865.11 : x
  2. Step 2: Convert to fraction form
    25,195.59/34,769.99 = 13,865.11/x
  3. Step 3: Cross multiply
    25,195.59x = 34,769.99 × 13,865.11
  4. Step 4: Simplify right side
    25,195.59x = 482,089,683.79
  5. Step 5: Solve for x
    x = 482,089,683.79/25,195.59
  6. Step 6: Final answer
    x = 19,133.89

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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.