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Finding the Fourth Proportional to 6,808.50, 9,395.73 and 4,328.82

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Solution

The fourth proportional to 6,808.50, 9,395.73 and 4,328.82 is: 5,973.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,808.50 : 9,395.73 = 4,328.82 : x
  2. Step 2: Convert to fraction form
    6,808.50/9,395.73 = 4,328.82/x
  3. Step 3: Cross multiply
    6,808.50x = 9,395.73 × 4,328.82
  4. Step 4: Simplify right side
    6,808.50x = 40,672,423.94
  5. Step 5: Solve for x
    x = 40,672,423.94/6,808.50
  6. Step 6: Final answer
    x = 5,973.77

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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.