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Finding the Fourth Proportional to 6,477.88, 9,715.84 and 2,094.76

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Solution

The fourth proportional to 6,477.88, 9,715.84 and 2,094.76 is: 3,141.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,477.88 : 9,715.84 = 2,094.76 : x
  2. Step 2: Convert to fraction form
    6,477.88/9,715.84 = 2,094.76/x
  3. Step 3: Cross multiply
    6,477.88x = 9,715.84 × 2,094.76
  4. Step 4: Simplify right side
    6,477.88x = 20,352,353.00
  5. Step 5: Solve for x
    x = 20,352,353.00/6,477.88
  6. Step 6: Final answer
    x = 3,141.82

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1.5x scale

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.