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Finding the Fourth Proportional to 23,909.80, 35,835.42 and 13,499.80

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Solution

The fourth proportional to 23,909.80, 35,835.42 and 13,499.80 is: 20,233.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,909.80 : 35,835.42 = 13,499.80 : x
  2. Step 2: Convert to fraction form
    23,909.80/35,835.42 = 13,499.80/x
  3. Step 3: Cross multiply
    23,909.80x = 35,835.42 × 13,499.80
  4. Step 4: Simplify right side
    23,909.80x = 483,771,002.92
  5. Step 5: Solve for x
    x = 483,771,002.92/23,909.80
  6. Step 6: Final answer
    x = 20,233.17

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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.