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Finding the Fourth Proportional to 12,038.36, 18,041.13 and 7,360.00

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Solution

The fourth proportional to 12,038.36, 18,041.13 and 7,360.00 is: 11,029.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038.36 : 18,041.13 = 7,360.00 : x
  2. Step 2: Convert to fraction form
    12,038.36/18,041.13 = 7,360.00/x
  3. Step 3: Cross multiply
    12,038.36x = 18,041.13 × 7,360.00
  4. Step 4: Simplify right side
    12,038.36x = 132,782,671.70
  5. Step 5: Solve for x
    x = 132,782,671.70/12,038.36
  6. Step 6: Final answer
    x = 11,029.97

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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.