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Finding the Fourth Proportional to 17,064.84, 23,540.40 and 11,762.40

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Solution

The fourth proportional to 17,064.84, 23,540.40 and 11,762.40 is: 16,225.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,064.84 : 23,540.40 = 11,762.40 : x
  2. Step 2: Convert to fraction form
    17,064.84/23,540.40 = 11,762.40/x
  3. Step 3: Cross multiply
    17,064.84x = 23,540.40 × 11,762.40
  4. Step 4: Simplify right side
    17,064.84x = 276,891,600.96
  5. Step 5: Solve for x
    x = 276,891,600.96/17,064.84
  6. Step 6: Final answer
    x = 16,225.85

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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.