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Finding the Fourth Proportional to 25,125.92, 37,684.32 and 9,539.84

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Solution

The fourth proportional to 25,125.92, 37,684.32 and 9,539.84 is: 14,308.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,125.92 : 37,684.32 = 9,539.84 : x
  2. Step 2: Convert to fraction form
    25,125.92/37,684.32 = 9,539.84/x
  3. Step 3: Cross multiply
    25,125.92x = 37,684.32 × 9,539.84
  4. Step 4: Simplify right side
    25,125.92x = 359,502,383.31
  5. Step 5: Solve for x
    x = 359,502,383.31/25,125.92
  6. Step 6: Final answer
    x = 14,308.03

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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.