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Finding the Fourth Proportional to 5,005.74, 6,907.74 and 2,767.52

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Solution

The fourth proportional to 5,005.74, 6,907.74 and 2,767.52 is: 3,819.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.74 : 6,907.74 = 2,767.52 : x
  2. Step 2: Convert to fraction form
    5,005.74/6,907.74 = 2,767.52/x
  3. Step 3: Cross multiply
    5,005.74x = 6,907.74 × 2,767.52
  4. Step 4: Simplify right side
    5,005.74x = 19,117,308.60
  5. Step 5: Solve for x
    x = 19,117,308.60/5,005.74
  6. Step 6: Final answer
    x = 3,819.08

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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.