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Finding the Fourth Proportional to 10,379.93, 14,307.22 and 7,356.06

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Solution

The fourth proportional to 10,379.93, 14,307.22 and 7,356.06 is: 10,139.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379.93 : 14,307.22 = 7,356.06 : x
  2. Step 2: Convert to fraction form
    10,379.93/14,307.22 = 7,356.06/x
  3. Step 3: Cross multiply
    10,379.93x = 14,307.22 × 7,356.06
  4. Step 4: Simplify right side
    10,379.93x = 105,244,768.75
  5. Step 5: Solve for x
    x = 105,244,768.75/10,379.93
  6. Step 6: Final answer
    x = 10,139.26

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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.