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Finding the Fourth Proportional to 46,291.44, 69,042.21 and 45,491.70

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Solution

The fourth proportional to 46,291.44, 69,042.21 and 45,491.70 is: 67,849.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,291.44 : 69,042.21 = 45,491.70 : x
  2. Step 2: Convert to fraction form
    46,291.44/69,042.21 = 45,491.70/x
  3. Step 3: Cross multiply
    46,291.44x = 69,042.21 × 45,491.70
  4. Step 4: Simplify right side
    46,291.44x = 3,140,847,504.66
  5. Step 5: Solve for x
    x = 3,140,847,504.66/46,291.44
  6. Step 6: Final answer
    x = 67,849.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.