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Finding the Fourth Proportional to 17,065.30, 25,600.65 and 5,971.72

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Solution

The fourth proportional to 17,065.30, 25,600.65 and 5,971.72 is: 8,958.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,065.30 : 25,600.65 = 5,971.72 : x
  2. Step 2: Convert to fraction form
    17,065.30/25,600.65 = 5,971.72/x
  3. Step 3: Cross multiply
    17,065.30x = 25,600.65 × 5,971.72
  4. Step 4: Simplify right side
    17,065.30x = 152,879,913.62
  5. Step 5: Solve for x
    x = 152,879,913.62/17,065.30
  6. Step 6: Final answer
    x = 8,958.52

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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.