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Finding the Fourth Proportional to 23,871.55, 35,808.03 and 11,392.90

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Solution

The fourth proportional to 23,871.55, 35,808.03 and 11,392.90 is: 17,089.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,871.55 : 35,808.03 = 11,392.90 : x
  2. Step 2: Convert to fraction form
    23,871.55/35,808.03 = 11,392.90/x
  3. Step 3: Cross multiply
    23,871.55x = 35,808.03 × 11,392.90
  4. Step 4: Simplify right side
    23,871.55x = 407,957,304.99
  5. Step 5: Solve for x
    x = 407,957,304.99/23,871.55
  6. Step 6: Final answer
    x = 17,089.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.