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Finding the Fourth Proportional to 70,662.98, 97,490.79 and 43,795.68

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Solution

The fourth proportional to 70,662.98, 97,490.79 and 43,795.68 is: 60,423.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,662.98 : 97,490.79 = 43,795.68 : x
  2. Step 2: Convert to fraction form
    70,662.98/97,490.79 = 43,795.68/x
  3. Step 3: Cross multiply
    70,662.98x = 97,490.79 × 43,795.68
  4. Step 4: Simplify right side
    70,662.98x = 4,269,675,441.79
  5. Step 5: Solve for x
    x = 4,269,675,441.79/70,662.98
  6. Step 6: Final answer
    x = 60,423.09

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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.