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Finding the Fourth Proportional to 84,392.79, 126,477.41 and 44,864.79

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Solution

The fourth proportional to 84,392.79, 126,477.41 and 44,864.79 is: 67,237.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,392.79 : 126,477.41 = 44,864.79 : x
  2. Step 2: Convert to fraction form
    84,392.79/126,477.41 = 44,864.79/x
  3. Step 3: Cross multiply
    84,392.79x = 126,477.41 × 44,864.79
  4. Step 4: Simplify right side
    84,392.79x = 5,674,382,215.07
  5. Step 5: Solve for x
    x = 5,674,382,215.07/84,392.79
  6. Step 6: Final answer
    x = 67,237.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.