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Finding the Fourth Proportional to 2,918.07, 4,373.21 and 1,599.83

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Solution

The fourth proportional to 2,918.07, 4,373.21 and 1,599.83 is: 2,397.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.07 : 4,373.21 = 1,599.83 : x
  2. Step 2: Convert to fraction form
    2,918.07/4,373.21 = 1,599.83/x
  3. Step 3: Cross multiply
    2,918.07x = 4,373.21 × 1,599.83
  4. Step 4: Simplify right side
    2,918.07x = 6,996,362.69
  5. Step 5: Solve for x
    x = 6,996,362.69/2,918.07
  6. Step 6: Final answer
    x = 2,397.60

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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.