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Finding the Fourth Proportional to 25,505.99, 38,259.34 and 8,866.41

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Solution

The fourth proportional to 25,505.99, 38,259.34 and 8,866.41 is: 13,299.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,505.99 : 38,259.34 = 8,866.41 : x
  2. Step 2: Convert to fraction form
    25,505.99/38,259.34 = 8,866.41/x
  3. Step 3: Cross multiply
    25,505.99x = 38,259.34 × 8,866.41
  4. Step 4: Simplify right side
    25,505.99x = 339,223,044.34
  5. Step 5: Solve for x
    x = 339,223,044.34/25,505.99
  6. Step 6: Final answer
    x = 13,299.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.