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Finding the Fourth Proportional to 84,653.40, 116,796.42 and 48,842.76

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Solution

The fourth proportional to 84,653.40, 116,796.42 and 48,842.76 is: 67,388.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,653.40 : 116,796.42 = 48,842.76 : x
  2. Step 2: Convert to fraction form
    84,653.40/116,796.42 = 48,842.76/x
  3. Step 3: Cross multiply
    84,653.40x = 116,796.42 × 48,842.76
  4. Step 4: Simplify right side
    84,653.40x = 5,704,659,510.92
  5. Step 5: Solve for x
    x = 5,704,659,510.92/84,653.40
  6. Step 6: Final answer
    x = 67,388.43

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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.