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Finding the Fourth Proportional to 4,693.92, 7,050.48 and 3,964.80

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Solution

The fourth proportional to 4,693.92, 7,050.48 and 3,964.80 is: 5,955.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,693.92 : 7,050.48 = 3,964.80 : x
  2. Step 2: Convert to fraction form
    4,693.92/7,050.48 = 3,964.80/x
  3. Step 3: Cross multiply
    4,693.92x = 7,050.48 × 3,964.80
  4. Step 4: Simplify right side
    4,693.92x = 27,953,743.10
  5. Step 5: Solve for x
    x = 27,953,743.10/4,693.92
  6. Step 6: Final answer
    x = 5,955.31

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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.