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Finding the Fourth Proportional to 7,193.35, 10,775.66 and 5,715.07

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Solution

The fourth proportional to 7,193.35, 10,775.66 and 5,715.07 is: 8,561.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,193.35 : 10,775.66 = 5,715.07 : x
  2. Step 2: Convert to fraction form
    7,193.35/10,775.66 = 5,715.07/x
  3. Step 3: Cross multiply
    7,193.35x = 10,775.66 × 5,715.07
  4. Step 4: Simplify right side
    7,193.35x = 61,583,597.32
  5. Step 5: Solve for x
    x = 61,583,597.32/7,193.35
  6. Step 6: Final answer
    x = 8,561.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.