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Finding the Fourth Proportional to 18,846.75, 26,008.05 and 10,349.04

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Solution

The fourth proportional to 18,846.75, 26,008.05 and 10,349.04 is: 14,281.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,846.75 : 26,008.05 = 10,349.04 : x
  2. Step 2: Convert to fraction form
    18,846.75/26,008.05 = 10,349.04/x
  3. Step 3: Cross multiply
    18,846.75x = 26,008.05 × 10,349.04
  4. Step 4: Simplify right side
    18,846.75x = 269,158,349.77
  5. Step 5: Solve for x
    x = 269,158,349.77/18,846.75
  6. Step 6: Final answer
    x = 14,281.42

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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.