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Finding the Fourth Proportional to 70,636.98, 97,435.79 and 41,937.17

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Solution

The fourth proportional to 70,636.98, 97,435.79 and 41,937.17 is: 57,847.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,636.98 : 97,435.79 = 41,937.17 : x
  2. Step 2: Convert to fraction form
    70,636.98/97,435.79 = 41,937.17/x
  3. Step 3: Cross multiply
    70,636.98x = 97,435.79 × 41,937.17
  4. Step 4: Simplify right side
    70,636.98x = 4,086,181,289.31
  5. Step 5: Solve for x
    x = 4,086,181,289.31/70,636.98
  6. Step 6: Final answer
    x = 57,847.62

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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.