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Finding the Fourth Proportional to 17,980.77, 26,971.12 and 4,833.15

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Solution

The fourth proportional to 17,980.77, 26,971.12 and 4,833.15 is: 7,249.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,980.77 : 26,971.12 = 4,833.15 : x
  2. Step 2: Convert to fraction form
    17,980.77/26,971.12 = 4,833.15/x
  3. Step 3: Cross multiply
    17,980.77x = 26,971.12 × 4,833.15
  4. Step 4: Simplify right side
    17,980.77x = 130,355,373.53
  5. Step 5: Solve for x
    x = 130,355,373.53/17,980.77
  6. Step 6: Final answer
    x = 7,249.71

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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.