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Finding the Fourth Proportional to 70,804.77, 97,709.67 and 40,183.50

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Solution

The fourth proportional to 70,804.77, 97,709.67 and 40,183.50 is: 55,452.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,804.77 : 97,709.67 = 40,183.50 : x
  2. Step 2: Convert to fraction form
    70,804.77/97,709.67 = 40,183.50/x
  3. Step 3: Cross multiply
    70,804.77x = 97,709.67 × 40,183.50
  4. Step 4: Simplify right side
    70,804.77x = 3,926,316,524.45
  5. Step 5: Solve for x
    x = 3,926,316,524.45/70,804.77
  6. Step 6: Final answer
    x = 55,452.71

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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.