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Finding the Fourth Proportional to 5,990.79, 9,006.47 and 4,828.95

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Solution

The fourth proportional to 5,990.79, 9,006.47 and 4,828.95 is: 7,259.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,990.79 : 9,006.47 = 4,828.95 : x
  2. Step 2: Convert to fraction form
    5,990.79/9,006.47 = 4,828.95/x
  3. Step 3: Cross multiply
    5,990.79x = 9,006.47 × 4,828.95
  4. Step 4: Simplify right side
    5,990.79x = 43,491,769.16
  5. Step 5: Solve for x
    x = 43,491,769.16/5,990.79
  6. Step 6: Final answer
    x = 7,259.77

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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.