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Finding the Fourth Proportional to 70,048.67, 96,682.48 and 42,834.29

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Solution

The fourth proportional to 70,048.67, 96,682.48 and 42,834.29 is: 59,120.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,048.67 : 96,682.48 = 42,834.29 : x
  2. Step 2: Convert to fraction form
    70,048.67/96,682.48 = 42,834.29/x
  3. Step 3: Cross multiply
    70,048.67x = 96,682.48 × 42,834.29
  4. Step 4: Simplify right side
    70,048.67x = 4,141,324,795.74
  5. Step 5: Solve for x
    x = 4,141,324,795.74/70,048.67
  6. Step 6: Final answer
    x = 59,120.68

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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.