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Finding the Fourth Proportional to 6,368.24, 8,788.05 and 3,535.62

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Solution

The fourth proportional to 6,368.24, 8,788.05 and 3,535.62 is: 4,879.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,368.24 : 8,788.05 = 3,535.62 : x
  2. Step 2: Convert to fraction form
    6,368.24/8,788.05 = 3,535.62/x
  3. Step 3: Cross multiply
    6,368.24x = 8,788.05 × 3,535.62
  4. Step 4: Simplify right side
    6,368.24x = 31,071,205.34
  5. Step 5: Solve for x
    x = 31,071,205.34/6,368.24
  6. Step 6: Final answer
    x = 4,879.09

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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.