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Finding the Fourth Proportional to 7,192.99, 9,923.47 and 4,400.11

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Solution

The fourth proportional to 7,192.99, 9,923.47 and 4,400.11 is: 6,070.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.99 : 9,923.47 = 4,400.11 : x
  2. Step 2: Convert to fraction form
    7,192.99/9,923.47 = 4,400.11/x
  3. Step 3: Cross multiply
    7,192.99x = 9,923.47 × 4,400.11
  4. Step 4: Simplify right side
    7,192.99x = 43,664,359.58
  5. Step 5: Solve for x
    x = 43,664,359.58/7,192.99
  6. Step 6: Final answer
    x = 6,070.40

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