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Finding the Fourth Proportional to 30,996.71, 46,500.29 and 12,266.87

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Solution

The fourth proportional to 30,996.71, 46,500.29 and 12,266.87 is: 18,402.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,996.71 : 46,500.29 = 12,266.87 : x
  2. Step 2: Convert to fraction form
    30,996.71/46,500.29 = 12,266.87/x
  3. Step 3: Cross multiply
    30,996.71x = 46,500.29 × 12,266.87
  4. Step 4: Simplify right side
    30,996.71x = 570,412,718.56
  5. Step 5: Solve for x
    x = 570,412,718.56/30,996.71
  6. Step 6: Final answer
    x = 18,402.37

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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.