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Finding the Fourth Proportional to 12,484.53, 17,232.35 and 7,183.08

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Solution

The fourth proportional to 12,484.53, 17,232.35 and 7,183.08 is: 9,914.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484.53 : 17,232.35 = 7,183.08 : x
  2. Step 2: Convert to fraction form
    12,484.53/17,232.35 = 7,183.08/x
  3. Step 3: Cross multiply
    12,484.53x = 17,232.35 × 7,183.08
  4. Step 4: Simplify right side
    12,484.53x = 123,781,312.72
  5. Step 5: Solve for x
    x = 123,781,312.72/12,484.53
  6. Step 6: Final answer
    x = 9,914.78

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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.