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Finding the Fourth Proportional to 7,570.73, 11,338.47 and 7,307.93

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Solution

The fourth proportional to 7,570.73, 11,338.47 and 7,307.93 is: 10,944.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,570.73 : 11,338.47 = 7,307.93 : x
  2. Step 2: Convert to fraction form
    7,570.73/11,338.47 = 7,307.93/x
  3. Step 3: Cross multiply
    7,570.73x = 11,338.47 × 7,307.93
  4. Step 4: Simplify right side
    7,570.73x = 82,860,745.07
  5. Step 5: Solve for x
    x = 82,860,745.07/7,570.73
  6. Step 6: Final answer
    x = 10,944.88

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1.5x scale

Why These Related Problems?

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