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Finding the Fourth Proportional to 7,689.67, 11,512.06 and 5,848.00

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Solution

The fourth proportional to 7,689.67, 11,512.06 and 5,848.00 is: 8,754.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,689.67 : 11,512.06 = 5,848.00 : x
  2. Step 2: Convert to fraction form
    7,689.67/11,512.06 = 5,848.00/x
  3. Step 3: Cross multiply
    7,689.67x = 11,512.06 × 5,848.00
  4. Step 4: Simplify right side
    7,689.67x = 67,322,483.48
  5. Step 5: Solve for x
    x = 67,322,483.48/7,689.67
  6. Step 6: Final answer
    x = 8,754.93

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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.