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Finding the Fourth Proportional to 29,600.60, 44,400.90 and 12,061.40

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Solution

The fourth proportional to 29,600.60, 44,400.90 and 12,061.40 is: 18,092.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,600.60 : 44,400.90 = 12,061.40 : x
  2. Step 2: Convert to fraction form
    29,600.60/44,400.90 = 12,061.40/x
  3. Step 3: Cross multiply
    29,600.60x = 44,400.90 × 12,061.40
  4. Step 4: Simplify right side
    29,600.60x = 535,537,015.26
  5. Step 5: Solve for x
    x = 535,537,015.26/29,600.60
  6. Step 6: Final answer
    x = 18,092.10

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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.