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Finding the Fourth Proportional to 17,242.68, 25,868.08 and 5,555.48

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Solution

The fourth proportional to 17,242.68, 25,868.08 and 5,555.48 is: 8,334.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,242.68 : 25,868.08 = 5,555.48 : x
  2. Step 2: Convert to fraction form
    17,242.68/25,868.08 = 5,555.48/x
  3. Step 3: Cross multiply
    17,242.68x = 25,868.08 × 5,555.48
  4. Step 4: Simplify right side
    17,242.68x = 143,709,601.08
  5. Step 5: Solve for x
    x = 143,709,601.08/17,242.68
  6. Step 6: Final answer
    x = 8,334.53

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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.