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Finding the Fourth Proportional to 17,868.58, 24,675.24 and 11,506.21

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Solution

The fourth proportional to 17,868.58, 24,675.24 and 11,506.21 is: 15,889.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,868.58 : 24,675.24 = 11,506.21 : x
  2. Step 2: Convert to fraction form
    17,868.58/24,675.24 = 11,506.21/x
  3. Step 3: Cross multiply
    17,868.58x = 24,675.24 × 11,506.21
  4. Step 4: Simplify right side
    17,868.58x = 283,918,493.24
  5. Step 5: Solve for x
    x = 283,918,493.24/17,868.58
  6. Step 6: Final answer
    x = 15,889.26

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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.