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Finding the Fourth Proportional to 14,610.49, 20,163.94 and 8,948.93

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Solution

The fourth proportional to 14,610.49, 20,163.94 and 8,948.93 is: 12,350.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,610.49 : 20,163.94 = 8,948.93 : x
  2. Step 2: Convert to fraction form
    14,610.49/20,163.94 = 8,948.93/x
  3. Step 3: Cross multiply
    14,610.49x = 20,163.94 × 8,948.93
  4. Step 4: Simplify right side
    14,610.49x = 180,445,564.39
  5. Step 5: Solve for x
    x = 180,445,564.39/14,610.49
  6. Step 6: Final answer
    x = 12,350.41

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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.