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Finding the Fourth Proportional to 17,847.71, 26,771.73 and 7,315.02

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Solution

The fourth proportional to 17,847.71, 26,771.73 and 7,315.02 is: 10,972.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,847.71 : 26,771.73 = 7,315.02 : x
  2. Step 2: Convert to fraction form
    17,847.71/26,771.73 = 7,315.02/x
  3. Step 3: Cross multiply
    17,847.71x = 26,771.73 × 7,315.02
  4. Step 4: Simplify right side
    17,847.71x = 195,835,740.38
  5. Step 5: Solve for x
    x = 195,835,740.38/17,847.71
  6. Step 6: Final answer
    x = 10,972.60

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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.