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Finding the Fourth Proportional to 14,599.63, 20,147.49 and 7,975.63

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Solution

The fourth proportional to 14,599.63, 20,147.49 and 7,975.63 is: 11,006.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,599.63 : 20,147.49 = 7,975.63 : x
  2. Step 2: Convert to fraction form
    14,599.63/20,147.49 = 7,975.63/x
  3. Step 3: Cross multiply
    14,599.63x = 20,147.49 × 7,975.63
  4. Step 4: Simplify right side
    14,599.63x = 160,688,785.05
  5. Step 5: Solve for x
    x = 160,688,785.05/14,599.63
  6. Step 6: Final answer
    x = 11,006.36

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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.