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Finding the Fourth Proportional to 4,820.70, 6,652.70 and 2,696.17

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Solution

The fourth proportional to 4,820.70, 6,652.70 and 2,696.17 is: 3,720.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820.70 : 6,652.70 = 2,696.17 : x
  2. Step 2: Convert to fraction form
    4,820.70/6,652.70 = 2,696.17/x
  3. Step 3: Cross multiply
    4,820.70x = 6,652.70 × 2,696.17
  4. Step 4: Simplify right side
    4,820.70x = 17,936,810.16
  5. Step 5: Solve for x
    x = 17,936,810.16/4,820.70
  6. Step 6: Final answer
    x = 3,720.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.