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Finding the Fourth Proportional to 17,629.03, 24,328.40 and 9,670.78

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Solution

The fourth proportional to 17,629.03, 24,328.40 and 9,670.78 is: 13,345.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,629.03 : 24,328.40 = 9,670.78 : x
  2. Step 2: Convert to fraction form
    17,629.03/24,328.40 = 9,670.78/x
  3. Step 3: Cross multiply
    17,629.03x = 24,328.40 × 9,670.78
  4. Step 4: Simplify right side
    17,629.03x = 235,274,604.15
  5. Step 5: Solve for x
    x = 235,274,604.15/17,629.03
  6. Step 6: Final answer
    x = 13,345.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.