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Finding the Fourth Proportional to 9,043.92, 12,483.11 and 5,899.50

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Solution

The fourth proportional to 9,043.92, 12,483.11 and 5,899.50 is: 8,142.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,043.92 : 12,483.11 = 5,899.50 : x
  2. Step 2: Convert to fraction form
    9,043.92/12,483.11 = 5,899.50/x
  3. Step 3: Cross multiply
    9,043.92x = 12,483.11 × 5,899.50
  4. Step 4: Simplify right side
    9,043.92x = 73,644,122.19
  5. Step 5: Solve for x
    x = 73,644,122.19/9,043.92
  6. Step 6: Final answer
    x = 8,142.94

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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.