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Finding the Fourth Proportional to 6,368.88, 8,788.95 and 3,536.25

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Solution

The fourth proportional to 6,368.88, 8,788.95 and 3,536.25 is: 4,879.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,368.88 : 8,788.95 = 3,536.25 : x
  2. Step 2: Convert to fraction form
    6,368.88/8,788.95 = 3,536.25/x
  3. Step 3: Cross multiply
    6,368.88x = 8,788.95 × 3,536.25
  4. Step 4: Simplify right side
    6,368.88x = 31,079,924.44
  5. Step 5: Solve for x
    x = 31,079,924.44/6,368.88
  6. Step 6: Final answer
    x = 4,879.97

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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.