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Finding the Fourth Proportional to 16,811.40, 24,239.52 and 16,811.40

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Solution

The fourth proportional to 16,811.40, 24,239.52 and 16,811.40 is: 24,239.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,811.40 : 24,239.52 = 16,811.40 : x
  2. Step 2: Convert to fraction form
    16,811.40/24,239.52 = 16,811.40/x
  3. Step 3: Cross multiply
    16,811.40x = 24,239.52 × 16,811.40
  4. Step 4: Simplify right side
    16,811.40x = 407,500,266.53
  5. Step 5: Solve for x
    x = 407,500,266.53/16,811.40
  6. Step 6: Final answer
    x = 24,239.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.