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Finding the Fourth Proportional to 82,679.80, 114,107 and 46,865.92

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Solution

The fourth proportional to 82,679.80, 114,107 and 46,865.92 is: 64,680.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,679.80 : 114,107 = 46,865.92 : x
  2. Step 2: Convert to fraction form
    82,679.80/114,107 = 46,865.92/x
  3. Step 3: Cross multiply
    82,679.80x = 114,107 × 46,865.92
  4. Step 4: Simplify right side
    82,679.80x = 5,347,729,533.44
  5. Step 5: Solve for x
    x = 5,347,729,533.44/82,679.80
  6. Step 6: Final answer
    x = 64,680.00

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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.