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Finding the Fourth Proportional to 25,610.58, 38,389.48 and 9,811.30

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Solution

The fourth proportional to 25,610.58, 38,389.48 and 9,811.30 is: 14,706.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,610.58 : 38,389.48 = 9,811.30 : x
  2. Step 2: Convert to fraction form
    25,610.58/38,389.48 = 9,811.30/x
  3. Step 3: Cross multiply
    25,610.58x = 38,389.48 × 9,811.30
  4. Step 4: Simplify right side
    25,610.58x = 376,650,705.12
  5. Step 5: Solve for x
    x = 376,650,705.12/25,610.58
  6. Step 6: Final answer
    x = 14,706.84

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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.