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Finding the Fourth Proportional to 5,666.78, 8,461.97 and 4,628.82

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Solution

The fourth proportional to 5,666.78, 8,461.97 and 4,628.82 is: 6,912.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,666.78 : 8,461.97 = 4,628.82 : x
  2. Step 2: Convert to fraction form
    5,666.78/8,461.97 = 4,628.82/x
  3. Step 3: Cross multiply
    5,666.78x = 8,461.97 × 4,628.82
  4. Step 4: Simplify right side
    5,666.78x = 39,168,935.98
  5. Step 5: Solve for x
    x = 39,168,935.98/5,666.78
  6. Step 6: Final answer
    x = 6,912.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.