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Finding the Fourth Proportional to 2,303.10, 3,454.67 and 841.65

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Solution

The fourth proportional to 2,303.10, 3,454.67 and 841.65 is: 1,262.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,303.10 : 3,454.67 = 841.65 : x
  2. Step 2: Convert to fraction form
    2,303.10/3,454.67 = 841.65/x
  3. Step 3: Cross multiply
    2,303.10x = 3,454.67 × 841.65
  4. Step 4: Simplify right side
    2,303.10x = 2,907,618.80
  5. Step 5: Solve for x
    x = 2,907,618.80/2,303.10
  6. Step 6: Final answer
    x = 1,262.48

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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.