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Finding the Fourth Proportional to 6,368.60, 8,789.22 and 3,536.52

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Solution

The fourth proportional to 6,368.60, 8,789.22 and 3,536.52 is: 4,880.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,368.60 : 8,789.22 = 3,536.52 : x
  2. Step 2: Convert to fraction form
    6,368.60/8,789.22 = 3,536.52/x
  3. Step 3: Cross multiply
    6,368.60x = 8,789.22 × 3,536.52
  4. Step 4: Simplify right side
    6,368.60x = 31,083,252.31
  5. Step 5: Solve for x
    x = 31,083,252.31/6,368.60
  6. Step 6: Final answer
    x = 4,880.70

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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.