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Finding the Fourth Proportional to 17,993.81, 24,830.60 and 9,816.93

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Solution

The fourth proportional to 17,993.81, 24,830.60 and 9,816.93 is: 13,546.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,993.81 : 24,830.60 = 9,816.93 : x
  2. Step 2: Convert to fraction form
    17,993.81/24,830.60 = 9,816.93/x
  3. Step 3: Cross multiply
    17,993.81x = 24,830.60 × 9,816.93
  4. Step 4: Simplify right side
    17,993.81x = 243,760,212.97
  5. Step 5: Solve for x
    x = 243,760,212.97/17,993.81
  6. Step 6: Final answer
    x = 13,546.89

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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.