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Finding the Fourth Proportional to 12,367.14, 18,526.02 and 7,434.12

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Solution

The fourth proportional to 12,367.14, 18,526.02 and 7,434.12 is: 11,136.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,367.14 : 18,526.02 = 7,434.12 : x
  2. Step 2: Convert to fraction form
    12,367.14/18,526.02 = 7,434.12/x
  3. Step 3: Cross multiply
    12,367.14x = 18,526.02 × 7,434.12
  4. Step 4: Simplify right side
    12,367.14x = 137,724,655.80
  5. Step 5: Solve for x
    x = 137,724,655.80/12,367.14
  6. Step 6: Final answer
    x = 11,136.34

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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.