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Finding the Fourth Proportional to 46,311.44, 69,060.40 and 45,890.44

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Solution

The fourth proportional to 46,311.44, 69,060.40 and 45,890.44 is: 68,432.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,311.44 : 69,060.40 = 45,890.44 : x
  2. Step 2: Convert to fraction form
    46,311.44/69,060.40 = 45,890.44/x
  3. Step 3: Cross multiply
    46,311.44x = 69,060.40 × 45,890.44
  4. Step 4: Simplify right side
    46,311.44x = 3,169,212,142.58
  5. Step 5: Solve for x
    x = 3,169,212,142.58/46,311.44
  6. Step 6: Final answer
    x = 68,432.60

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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.