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Finding the Fourth Proportional to 17,087.81, 25,629.81 and 4,609.08

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Solution

The fourth proportional to 17,087.81, 25,629.81 and 4,609.08 is: 6,913.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,087.81 : 25,629.81 = 4,609.08 : x
  2. Step 2: Convert to fraction form
    17,087.81/25,629.81 = 4,609.08/x
  3. Step 3: Cross multiply
    17,087.81x = 25,629.81 × 4,609.08
  4. Step 4: Simplify right side
    17,087.81x = 118,129,844.67
  5. Step 5: Solve for x
    x = 118,129,844.67/17,087.81
  6. Step 6: Final answer
    x = 6,913.11

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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.