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Finding the Fourth Proportional to 3,798.55, 5,698.46 and 1,332.73

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Solution

The fourth proportional to 3,798.55, 5,698.46 and 1,332.73 is: 1,999.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,798.55 : 5,698.46 = 1,332.73 : x
  2. Step 2: Convert to fraction form
    3,798.55/5,698.46 = 1,332.73/x
  3. Step 3: Cross multiply
    3,798.55x = 5,698.46 × 1,332.73
  4. Step 4: Simplify right side
    3,798.55x = 7,594,508.60
  5. Step 5: Solve for x
    x = 7,594,508.60/3,798.55
  6. Step 6: Final answer
    x = 1,999.32

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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.