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Finding the Fourth Proportional to 25,170.48, 37,756.25 and 9,159.48

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Solution

The fourth proportional to 25,170.48, 37,756.25 and 9,159.48 is: 13,739.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,170.48 : 37,756.25 = 9,159.48 : x
  2. Step 2: Convert to fraction form
    25,170.48/37,756.25 = 9,159.48/x
  3. Step 3: Cross multiply
    25,170.48x = 37,756.25 × 9,159.48
  4. Step 4: Simplify right side
    25,170.48x = 345,827,616.75
  5. Step 5: Solve for x
    x = 345,827,616.75/25,170.48
  6. Step 6: Final answer
    x = 13,739.41

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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.