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Finding the Fourth Proportional to 84,794.72, 117,022.16 and 48,986.24

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Solution

The fourth proportional to 84,794.72, 117,022.16 and 48,986.24 is: 67,604.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,794.72 : 117,022.16 = 48,986.24 : x
  2. Step 2: Convert to fraction form
    84,794.72/117,022.16 = 48,986.24/x
  3. Step 3: Cross multiply
    84,794.72x = 117,022.16 × 48,986.24
  4. Step 4: Simplify right side
    84,794.72x = 5,732,475,615.08
  5. Step 5: Solve for x
    x = 5,732,475,615.08/84,794.72
  6. Step 6: Final answer
    x = 67,604.16

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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.