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Finding the Fourth Proportional to 16,850.13, 25,280.07 and 5,165.07

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Solution

The fourth proportional to 16,850.13, 25,280.07 and 5,165.07 is: 7,749.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,850.13 : 25,280.07 = 5,165.07 : x
  2. Step 2: Convert to fraction form
    16,850.13/25,280.07 = 5,165.07/x
  3. Step 3: Cross multiply
    16,850.13x = 25,280.07 × 5,165.07
  4. Step 4: Simplify right side
    16,850.13x = 130,573,331.15
  5. Step 5: Solve for x
    x = 130,573,331.15/16,850.13
  6. Step 6: Final answer
    x = 7,749.10

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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.