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Finding the Fourth Proportional to 70,858.40, 97,791.50 and 52,922.27

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Solution

The fourth proportional to 70,858.40, 97,791.50 and 52,922.27 is: 73,037.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,858.40 : 97,791.50 = 52,922.27 : x
  2. Step 2: Convert to fraction form
    70,858.40/97,791.50 = 52,922.27/x
  3. Step 3: Cross multiply
    70,858.40x = 97,791.50 × 52,922.27
  4. Step 4: Simplify right side
    70,858.40x = 5,175,347,413.14
  5. Step 5: Solve for x
    x = 5,175,347,413.14/70,858.40
  6. Step 6: Final answer
    x = 73,037.89

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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.