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Finding the Fourth Proportional to 70,099.70, 96,736.07 and 38,269.13

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Solution

The fourth proportional to 70,099.70, 96,736.07 and 38,269.13 is: 52,810.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,099.70 : 96,736.07 = 38,269.13 : x
  2. Step 2: Convert to fraction form
    70,099.70/96,736.07 = 38,269.13/x
  3. Step 3: Cross multiply
    70,099.70x = 96,736.07 × 38,269.13
  4. Step 4: Simplify right side
    70,099.70x = 3,702,004,850.51
  5. Step 5: Solve for x
    x = 3,702,004,850.51/70,099.70
  6. Step 6: Final answer
    x = 52,810.57

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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.