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Finding the Fourth Proportional to 70,310.66, 97,013.70 and 41,639.33

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Solution

The fourth proportional to 70,310.66, 97,013.70 and 41,639.33 is: 57,453.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,310.66 : 97,013.70 = 41,639.33 : x
  2. Step 2: Convert to fraction form
    70,310.66/97,013.70 = 41,639.33/x
  3. Step 3: Cross multiply
    70,310.66x = 97,013.70 × 41,639.33
  4. Step 4: Simplify right side
    70,310.66x = 4,039,585,711.36
  5. Step 5: Solve for x
    x = 4,039,585,711.36/70,310.66
  6. Step 6: Final answer
    x = 57,453.39

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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.