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Finding the Fourth Proportional to 25,289.66, 37,938.60 and 9,495.91

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Solution

The fourth proportional to 25,289.66, 37,938.60 and 9,495.91 is: 14,245.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,289.66 : 37,938.60 = 9,495.91 : x
  2. Step 2: Convert to fraction form
    25,289.66/37,938.60 = 9,495.91/x
  3. Step 3: Cross multiply
    25,289.66x = 37,938.60 × 9,495.91
  4. Step 4: Simplify right side
    25,289.66x = 360,261,498.55
  5. Step 5: Solve for x
    x = 360,261,498.55/25,289.66
  6. Step 6: Final answer
    x = 14,245.41

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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.