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Finding the Fourth Proportional to 17,777.16, 24,514.11 and 15,267.60

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Solution

The fourth proportional to 17,777.16, 24,514.11 and 15,267.60 is: 21,053.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,777.16 : 24,514.11 = 15,267.60 : x
  2. Step 2: Convert to fraction form
    17,777.16/24,514.11 = 15,267.60/x
  3. Step 3: Cross multiply
    17,777.16x = 24,514.11 × 15,267.60
  4. Step 4: Simplify right side
    17,777.16x = 374,271,625.84
  5. Step 5: Solve for x
    x = 374,271,625.84/17,777.16
  6. Step 6: Final answer
    x = 21,053.51

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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.