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Finding the Fourth Proportional to 17,318.61, 25,975.08 and 7,455.24

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Solution

The fourth proportional to 17,318.61, 25,975.08 and 7,455.24 is: 11,181.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,318.61 : 25,975.08 = 7,455.24 : x
  2. Step 2: Convert to fraction form
    17,318.61/25,975.08 = 7,455.24/x
  3. Step 3: Cross multiply
    17,318.61x = 25,975.08 × 7,455.24
  4. Step 4: Simplify right side
    17,318.61x = 193,650,455.42
  5. Step 5: Solve for x
    x = 193,650,455.42/17,318.61
  6. Step 6: Final answer
    x = 11,181.64

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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.