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Finding the Fourth Proportional to 8,563.93, 12,845.71 and 3,946.93

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Solution

The fourth proportional to 8,563.93, 12,845.71 and 3,946.93 is: 5,920.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,563.93 : 12,845.71 = 3,946.93 : x
  2. Step 2: Convert to fraction form
    8,563.93/12,845.71 = 3,946.93/x
  3. Step 3: Cross multiply
    8,563.93x = 12,845.71 × 3,946.93
  4. Step 4: Simplify right side
    8,563.93x = 50,701,034.21
  5. Step 5: Solve for x
    x = 50,701,034.21/8,563.93
  6. Step 6: Final answer
    x = 5,920.30

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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.