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Finding the Fourth Proportional to 25,926.19, 38,895.44 and 8,395.99

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Solution

The fourth proportional to 25,926.19, 38,895.44 and 8,395.99 is: 12,595.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,926.19 : 38,895.44 = 8,395.99 : x
  2. Step 2: Convert to fraction form
    25,926.19/38,895.44 = 8,395.99/x
  3. Step 3: Cross multiply
    25,926.19x = 38,895.44 × 8,395.99
  4. Step 4: Simplify right side
    25,926.19x = 326,565,725.29
  5. Step 5: Solve for x
    x = 326,565,725.29/25,926.19
  6. Step 6: Final answer
    x = 12,595.98

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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.