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Finding the Fourth Proportional to 11,578.77, 17,266.44 and 11,473.50

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Solution

The fourth proportional to 11,578.77, 17,266.44 and 11,473.50 is: 17,109.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,578.77 : 17,266.44 = 11,473.50 : x
  2. Step 2: Convert to fraction form
    11,578.77/17,266.44 = 11,473.50/x
  3. Step 3: Cross multiply
    11,578.77x = 17,266.44 × 11,473.50
  4. Step 4: Simplify right side
    11,578.77x = 198,106,499.34
  5. Step 5: Solve for x
    x = 198,106,499.34/11,578.77
  6. Step 6: Final answer
    x = 17,109.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.