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Finding the Fourth Proportional to 8,483.94, 12,733.40 and 4,538.43

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Solution

The fourth proportional to 8,483.94, 12,733.40 and 4,538.43 is: 6,811.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,483.94 : 12,733.40 = 4,538.43 : x
  2. Step 2: Convert to fraction form
    8,483.94/12,733.40 = 4,538.43/x
  3. Step 3: Cross multiply
    8,483.94x = 12,733.40 × 4,538.43
  4. Step 4: Simplify right side
    8,483.94x = 57,789,655.91
  5. Step 5: Solve for x
    x = 57,789,655.91/8,483.94
  6. Step 6: Final answer
    x = 6,811.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.