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Finding the Fourth Proportional to 4,792.75, 6,612.47 and 2,696.47

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Solution

The fourth proportional to 4,792.75, 6,612.47 and 2,696.47 is: 3,720.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,792.75 : 6,612.47 = 2,696.47 : x
  2. Step 2: Convert to fraction form
    4,792.75/6,612.47 = 2,696.47/x
  3. Step 3: Cross multiply
    4,792.75x = 6,612.47 × 2,696.47
  4. Step 4: Simplify right side
    4,792.75x = 17,830,307.08
  5. Step 5: Solve for x
    x = 17,830,307.08/4,792.75
  6. Step 6: Final answer
    x = 3,720.27

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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.