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Finding the Fourth Proportional to 9,397.63, 12,968.73 and 5,671.63

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Solution

The fourth proportional to 9,397.63, 12,968.73 and 5,671.63 is: 7,826.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,397.63 : 12,968.73 = 5,671.63 : x
  2. Step 2: Convert to fraction form
    9,397.63/12,968.73 = 5,671.63/x
  3. Step 3: Cross multiply
    9,397.63x = 12,968.73 × 5,671.63
  4. Step 4: Simplify right side
    9,397.63x = 73,553,744.93
  5. Step 5: Solve for x
    x = 73,553,744.93/9,397.63
  6. Step 6: Final answer
    x = 7,826.84

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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.