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Finding the Fourth Proportional to 70,678.66, 97,550.73 and 41,992.80

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Solution

The fourth proportional to 70,678.66, 97,550.73 and 41,992.80 is: 57,958.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,678.66 : 97,550.73 = 41,992.80 : x
  2. Step 2: Convert to fraction form
    70,678.66/97,550.73 = 41,992.80/x
  3. Step 3: Cross multiply
    70,678.66x = 97,550.73 × 41,992.80
  4. Step 4: Simplify right side
    70,678.66x = 4,096,428,184.21
  5. Step 5: Solve for x
    x = 4,096,428,184.21/70,678.66
  6. Step 6: Final answer
    x = 57,958.49

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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.