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Finding the Fourth Proportional to 2,746.08, 4,118.90 and 798.16

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Solution

The fourth proportional to 2,746.08, 4,118.90 and 798.16 is: 1,197.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.08 : 4,118.90 = 798.16 : x
  2. Step 2: Convert to fraction form
    2,746.08/4,118.90 = 798.16/x
  3. Step 3: Cross multiply
    2,746.08x = 4,118.90 × 798.16
  4. Step 4: Simplify right side
    2,746.08x = 3,287,541.22
  5. Step 5: Solve for x
    x = 3,287,541.22/2,746.08
  6. Step 6: Final answer
    x = 1,197.18

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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.