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Finding the Fourth Proportional to 2,342.22, 3,510.63 and 880.44

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Solution

The fourth proportional to 2,342.22, 3,510.63 and 880.44 is: 1,319.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,342.22 : 3,510.63 = 880.44 : x
  2. Step 2: Convert to fraction form
    2,342.22/3,510.63 = 880.44/x
  3. Step 3: Cross multiply
    2,342.22x = 3,510.63 × 880.44
  4. Step 4: Simplify right side
    2,342.22x = 3,090,899.08
  5. Step 5: Solve for x
    x = 3,090,899.08/2,342.22
  6. Step 6: Final answer
    x = 1,319.65

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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.