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Finding the Fourth Proportional to 23,667.78, 35,505.12 and 7,025.78

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Solution

The fourth proportional to 23,667.78, 35,505.12 and 7,025.78 is: 10,539.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,667.78 : 35,505.12 = 7,025.78 : x
  2. Step 2: Convert to fraction form
    23,667.78/35,505.12 = 7,025.78/x
  3. Step 3: Cross multiply
    23,667.78x = 35,505.12 × 7,025.78
  4. Step 4: Simplify right side
    23,667.78x = 249,451,161.99
  5. Step 5: Solve for x
    x = 249,451,161.99/23,667.78
  6. Step 6: Final answer
    x = 10,539.69

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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.