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Finding the Fourth Proportional to 4,588.84, 6,889.74 and 2,918.62

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Solution

The fourth proportional to 4,588.84, 6,889.74 and 2,918.62 is: 4,382.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,588.84 : 6,889.74 = 2,918.62 : x
  2. Step 2: Convert to fraction form
    4,588.84/6,889.74 = 2,918.62/x
  3. Step 3: Cross multiply
    4,588.84x = 6,889.74 × 2,918.62
  4. Step 4: Simplify right side
    4,588.84x = 20,108,532.96
  5. Step 5: Solve for x
    x = 20,108,532.96/4,588.84
  6. Step 6: Final answer
    x = 4,382.05

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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.