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Finding the Fourth Proportional to 6,303.63, 8,699.22 and 4,542.69

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Solution

The fourth proportional to 6,303.63, 8,699.22 and 4,542.69 is: 6,269.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,303.63 : 8,699.22 = 4,542.69 : x
  2. Step 2: Convert to fraction form
    6,303.63/8,699.22 = 4,542.69/x
  3. Step 3: Cross multiply
    6,303.63x = 8,699.22 × 4,542.69
  4. Step 4: Simplify right side
    6,303.63x = 39,517,859.70
  5. Step 5: Solve for x
    x = 39,517,859.70/6,303.63
  6. Step 6: Final answer
    x = 6,269.06

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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.