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Finding the Fourth Proportional to 2,339.94, 3,510.41 and 696.60

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Solution

The fourth proportional to 2,339.94, 3,510.41 and 696.60 is: 1,045.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339.94 : 3,510.41 = 696.60 : x
  2. Step 2: Convert to fraction form
    2,339.94/3,510.41 = 696.60/x
  3. Step 3: Cross multiply
    2,339.94x = 3,510.41 × 696.60
  4. Step 4: Simplify right side
    2,339.94x = 2,445,348.12
  5. Step 5: Solve for x
    x = 2,445,348.12/2,339.94
  6. Step 6: Final answer
    x = 1,045.05

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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.