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Finding the Fourth Proportional to 69,660.96, 96,147.42 and 45,789.84

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Solution

The fourth proportional to 69,660.96, 96,147.42 and 45,789.84 is: 63,200.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,660.96 : 96,147.42 = 45,789.84 : x
  2. Step 2: Convert to fraction form
    69,660.96/96,147.42 = 45,789.84/x
  3. Step 3: Cross multiply
    69,660.96x = 96,147.42 × 45,789.84
  4. Step 4: Simplify right side
    69,660.96x = 4,402,574,978.21
  5. Step 5: Solve for x
    x = 4,402,574,978.21/69,660.96
  6. Step 6: Final answer
    x = 63,200.03

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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.