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Finding the Fourth Proportional to 8,030.70, 12,030.45 and 5,918.49

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Solution

The fourth proportional to 8,030.70, 12,030.45 and 5,918.49 is: 8,866.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,030.70 : 12,030.45 = 5,918.49 : x
  2. Step 2: Convert to fraction form
    8,030.70/12,030.45 = 5,918.49/x
  3. Step 3: Cross multiply
    8,030.70x = 12,030.45 × 5,918.49
  4. Step 4: Simplify right side
    8,030.70x = 71,202,098.02
  5. Step 5: Solve for x
    x = 71,202,098.02/8,030.70
  6. Step 6: Final answer
    x = 8,866.24

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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.