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Finding the Fourth Proportional to 6,298.36, 8,691.80 and 3,503.88

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Solution

The fourth proportional to 6,298.36, 8,691.80 and 3,503.88 is: 4,835.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,298.36 : 8,691.80 = 3,503.88 : x
  2. Step 2: Convert to fraction form
    6,298.36/8,691.80 = 3,503.88/x
  3. Step 3: Cross multiply
    6,298.36x = 8,691.80 × 3,503.88
  4. Step 4: Simplify right side
    6,298.36x = 30,455,024.18
  5. Step 5: Solve for x
    x = 30,455,024.18/6,298.36
  6. Step 6: Final answer
    x = 4,835.39

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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.