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Finding the Fourth Proportional to 6,384.22, 8,810.17 and 3,551.95

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Solution

The fourth proportional to 6,384.22, 8,810.17 and 3,551.95 is: 4,901.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,384.22 : 8,810.17 = 3,551.95 : x
  2. Step 2: Convert to fraction form
    6,384.22/8,810.17 = 3,551.95/x
  3. Step 3: Cross multiply
    6,384.22x = 8,810.17 × 3,551.95
  4. Step 4: Simplify right side
    6,384.22x = 31,293,285.46
  5. Step 5: Solve for x
    x = 31,293,285.46/6,384.22
  6. Step 6: Final answer
    x = 4,901.66

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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.