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Finding the Fourth Proportional to 28,740.60, 43,053.30 and 16,414.20

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Solution

The fourth proportional to 28,740.60, 43,053.30 and 16,414.20 is: 24,588.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,740.60 : 43,053.30 = 16,414.20 : x
  2. Step 2: Convert to fraction form
    28,740.60/43,053.30 = 16,414.20/x
  3. Step 3: Cross multiply
    28,740.60x = 43,053.30 × 16,414.20
  4. Step 4: Simplify right side
    28,740.60x = 706,685,476.86
  5. Step 5: Solve for x
    x = 706,685,476.86/28,740.60
  6. Step 6: Final answer
    x = 24,588.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.