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Finding the Fourth Proportional to 17,890.98, 26,840.79 and 6,203.94

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Solution

The fourth proportional to 17,890.98, 26,840.79 and 6,203.94 is: 9,307.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,890.98 : 26,840.79 = 6,203.94 : x
  2. Step 2: Convert to fraction form
    17,890.98/26,840.79 = 6,203.94/x
  3. Step 3: Cross multiply
    17,890.98x = 26,840.79 × 6,203.94
  4. Step 4: Simplify right side
    17,890.98x = 166,518,650.71
  5. Step 5: Solve for x
    x = 166,518,650.71/17,890.98
  6. Step 6: Final answer
    x = 9,307.41

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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.