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Finding the Fourth Proportional to 7,407.54, 11,111.32 and 3,025.00

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Solution

The fourth proportional to 7,407.54, 11,111.32 and 3,025.00 is: 4,537.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.54 : 11,111.32 = 3,025.00 : x
  2. Step 2: Convert to fraction form
    7,407.54/11,111.32 = 3,025.00/x
  3. Step 3: Cross multiply
    7,407.54x = 11,111.32 × 3,025.00
  4. Step 4: Simplify right side
    7,407.54x = 33,611,679.88
  5. Step 5: Solve for x
    x = 33,611,679.88/7,407.54
  6. Step 6: Final answer
    x = 4,537.50

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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.