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Finding the Fourth Proportional to 5,012.97, 6,917.61 and 2,774.76

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Solution

The fourth proportional to 5,012.97, 6,917.61 and 2,774.76 is: 3,829.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.97 : 6,917.61 = 2,774.76 : x
  2. Step 2: Convert to fraction form
    5,012.97/6,917.61 = 2,774.76/x
  3. Step 3: Cross multiply
    5,012.97x = 6,917.61 × 2,774.76
  4. Step 4: Simplify right side
    5,012.97x = 19,194,707.52
  5. Step 5: Solve for x
    x = 19,194,707.52/5,012.97
  6. Step 6: Final answer
    x = 3,829.01

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Double scale
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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.