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Finding the Fourth Proportional to 17,368.77, 26,033.46 and 7,989.42

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Solution

The fourth proportional to 17,368.77, 26,033.46 and 7,989.42 is: 11,975.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,368.77 : 26,033.46 = 7,989.42 : x
  2. Step 2: Convert to fraction form
    17,368.77/26,033.46 = 7,989.42/x
  3. Step 3: Cross multiply
    17,368.77x = 26,033.46 × 7,989.42
  4. Step 4: Simplify right side
    17,368.77x = 207,992,333.22
  5. Step 5: Solve for x
    x = 207,992,333.22/17,368.77
  6. Step 6: Final answer
    x = 11,975.08

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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.