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Finding the Fourth Proportional to 9,376.78, 14,052.87 and 6,900.00

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Solution

The fourth proportional to 9,376.78, 14,052.87 and 6,900.00 is: 10,340.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,376.78 : 14,052.87 = 6,900.00 : x
  2. Step 2: Convert to fraction form
    9,376.78/14,052.87 = 6,900.00/x
  3. Step 3: Cross multiply
    9,376.78x = 14,052.87 × 6,900.00
  4. Step 4: Simplify right side
    9,376.78x = 96,964,803.63
  5. Step 5: Solve for x
    x = 96,964,803.63/9,376.78
  6. Step 6: Final answer
    x = 10,340.95

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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.