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Finding the Fourth Proportional to 1,358.00, 2,038.04 and 993.73

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Solution

The fourth proportional to 1,358.00, 2,038.04 and 993.73 is: 1,491.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358.00 : 2,038.04 = 993.73 : x
  2. Step 2: Convert to fraction form
    1,358.00/2,038.04 = 993.73/x
  3. Step 3: Cross multiply
    1,358.00x = 2,038.04 × 993.73
  4. Step 4: Simplify right side
    1,358.00x = 2,025,259.04
  5. Step 5: Solve for x
    x = 2,025,259.04/1,358.00
  6. Step 6: Final answer
    x = 1,491.35

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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.