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Finding the Fourth Proportional to 46,649.60, 69,974.40 and 44,835.20

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Solution

The fourth proportional to 46,649.60, 69,974.40 and 44,835.20 is: 67,252.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,649.60 : 69,974.40 = 44,835.20 : x
  2. Step 2: Convert to fraction form
    46,649.60/69,974.40 = 44,835.20/x
  3. Step 3: Cross multiply
    46,649.60x = 69,974.40 × 44,835.20
  4. Step 4: Simplify right side
    46,649.60x = 3,137,316,218.88
  5. Step 5: Solve for x
    x = 3,137,316,218.88/46,649.60
  6. Step 6: Final answer
    x = 67,252.80

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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.