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Finding the Fourth Proportional to 4,821.02, 6,653.12 and 2,696.48

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Solution

The fourth proportional to 4,821.02, 6,653.12 and 2,696.48 is: 3,721.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.02 : 6,653.12 = 2,696.48 : x
  2. Step 2: Convert to fraction form
    4,821.02/6,653.12 = 2,696.48/x
  3. Step 3: Cross multiply
    4,821.02x = 6,653.12 × 2,696.48
  4. Step 4: Simplify right side
    4,821.02x = 17,940,005.02
  5. Step 5: Solve for x
    x = 17,940,005.02/4,821.02
  6. Step 6: Final answer
    x = 3,721.21

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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.