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Finding the Fourth Proportional to 17,776.40, 26,657.40 and 6,083.60

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Solution

The fourth proportional to 17,776.40, 26,657.40 and 6,083.60 is: 9,122.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,776.40 : 26,657.40 = 6,083.60 : x
  2. Step 2: Convert to fraction form
    17,776.40/26,657.40 = 6,083.60/x
  3. Step 3: Cross multiply
    17,776.40x = 26,657.40 × 6,083.60
  4. Step 4: Simplify right side
    17,776.40x = 162,172,958.64
  5. Step 5: Solve for x
    x = 162,172,958.64/17,776.40
  6. Step 6: Final answer
    x = 9,122.94

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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.