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Finding the Fourth Proportional to 2,210.70, 3,104.70 and 2,210.70

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Solution

The fourth proportional to 2,210.70, 3,104.70 and 2,210.70 is: 3,104.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.70 : 3,104.70 = 2,210.70 : x
  2. Step 2: Convert to fraction form
    2,210.70/3,104.70 = 2,210.70/x
  3. Step 3: Cross multiply
    2,210.70x = 3,104.70 × 2,210.70
  4. Step 4: Simplify right side
    2,210.70x = 6,863,560.29
  5. Step 5: Solve for x
    x = 6,863,560.29/2,210.70
  6. Step 6: Final answer
    x = 3,104.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.