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Finding the Fourth Proportional to 25,191.37, 37,788.87 and 7,661.14

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Solution

The fourth proportional to 25,191.37, 37,788.87 and 7,661.14 is: 11,492.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,191.37 : 37,788.87 = 7,661.14 : x
  2. Step 2: Convert to fraction form
    25,191.37/37,788.87 = 7,661.14/x
  3. Step 3: Cross multiply
    25,191.37x = 37,788.87 × 7,661.14
  4. Step 4: Simplify right side
    25,191.37x = 289,505,823.51
  5. Step 5: Solve for x
    x = 289,505,823.51/25,191.37
  6. Step 6: Final answer
    x = 11,492.26

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1.5x scale

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.