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Finding the Fourth Proportional to 2,002.92, 3,004.44 and 847.86

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Solution

The fourth proportional to 2,002.92, 3,004.44 and 847.86 is: 1,271.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,002.92 : 3,004.44 = 847.86 : x
  2. Step 2: Convert to fraction form
    2,002.92/3,004.44 = 847.86/x
  3. Step 3: Cross multiply
    2,002.92x = 3,004.44 × 847.86
  4. Step 4: Simplify right side
    2,002.92x = 2,547,344.50
  5. Step 5: Solve for x
    x = 2,547,344.50/2,002.92
  6. Step 6: Final answer
    x = 1,271.82

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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.