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Finding the Fourth Proportional to 6,866.63, 9,477.65 and 4,511.96

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Solution

The fourth proportional to 6,866.63, 9,477.65 and 4,511.96 is: 6,227.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,866.63 : 9,477.65 = 4,511.96 : x
  2. Step 2: Convert to fraction form
    6,866.63/9,477.65 = 4,511.96/x
  3. Step 3: Cross multiply
    6,866.63x = 9,477.65 × 4,511.96
  4. Step 4: Simplify right side
    6,866.63x = 42,762,777.69
  5. Step 5: Solve for x
    x = 42,762,777.69/6,866.63
  6. Step 6: Final answer
    x = 6,227.62

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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.