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Finding the Fourth Proportional to 6,658.99, 9,192.73 and 4,141.91

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Solution

The fourth proportional to 6,658.99, 9,192.73 and 4,141.91 is: 5,717.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,658.99 : 9,192.73 = 4,141.91 : x
  2. Step 2: Convert to fraction form
    6,658.99/9,192.73 = 4,141.91/x
  3. Step 3: Cross multiply
    6,658.99x = 9,192.73 × 4,141.91
  4. Step 4: Simplify right side
    6,658.99x = 38,075,449.03
  5. Step 5: Solve for x
    x = 38,075,449.03/6,658.99
  6. Step 6: Final answer
    x = 5,717.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.