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Finding the Fourth Proportional to 5,631.02, 8,447.02 and 1,470.99

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Solution

The fourth proportional to 5,631.02, 8,447.02 and 1,470.99 is: 2,206.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.02 : 8,447.02 = 1,470.99 : x
  2. Step 2: Convert to fraction form
    5,631.02/8,447.02 = 1,470.99/x
  3. Step 3: Cross multiply
    5,631.02x = 8,447.02 × 1,470.99
  4. Step 4: Simplify right side
    5,631.02x = 12,425,478.27
  5. Step 5: Solve for x
    x = 12,425,478.27/5,631.02
  6. Step 6: Final answer
    x = 2,206.61

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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.