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Finding the Fourth Proportional to 17,677.44, 24,396.48 and 9,721.22

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Solution

The fourth proportional to 17,677.44, 24,396.48 and 9,721.22 is: 13,416.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,677.44 : 24,396.48 = 9,721.22 : x
  2. Step 2: Convert to fraction form
    17,677.44/24,396.48 = 9,721.22/x
  3. Step 3: Cross multiply
    17,677.44x = 24,396.48 × 9,721.22
  4. Step 4: Simplify right side
    17,677.44x = 237,163,427.32
  5. Step 5: Solve for x
    x = 237,163,427.32/17,677.44
  6. Step 6: Final answer
    x = 13,416.16

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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.