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Finding the Fourth Proportional to 6,503.49, 8,979.39 and 5,009.04

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Solution

The fourth proportional to 6,503.49, 8,979.39 and 5,009.04 is: 6,916.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,503.49 : 8,979.39 = 5,009.04 : x
  2. Step 2: Convert to fraction form
    6,503.49/8,979.39 = 5,009.04/x
  3. Step 3: Cross multiply
    6,503.49x = 8,979.39 × 5,009.04
  4. Step 4: Simplify right side
    6,503.49x = 44,978,123.69
  5. Step 5: Solve for x
    x = 44,978,123.69/6,503.49
  6. Step 6: Final answer
    x = 6,916.00

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.