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Finding the Fourth Proportional to 2,063.61, 3,095.24 and 830.23

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Solution

The fourth proportional to 2,063.61, 3,095.24 and 830.23 is: 1,245.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,063.61 : 3,095.24 = 830.23 : x
  2. Step 2: Convert to fraction form
    2,063.61/3,095.24 = 830.23/x
  3. Step 3: Cross multiply
    2,063.61x = 3,095.24 × 830.23
  4. Step 4: Simplify right side
    2,063.61x = 2,569,749.22
  5. Step 5: Solve for x
    x = 2,569,749.22/2,063.61
  6. Step 6: Final answer
    x = 1,245.27

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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.