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Finding the Fourth Proportional to 7,290.95, 10,936.07 and 2,025.93

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Solution

The fourth proportional to 7,290.95, 10,936.07 and 2,025.93 is: 3,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.95 : 10,936.07 = 2,025.93 : x
  2. Step 2: Convert to fraction form
    7,290.95/10,936.07 = 2,025.93/x
  3. Step 3: Cross multiply
    7,290.95x = 10,936.07 × 2,025.93
  4. Step 4: Simplify right side
    7,290.95x = 22,155,721.16
  5. Step 5: Solve for x
    x = 22,155,721.16/7,290.95
  6. Step 6: Final answer
    x = 3,038.80

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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.