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Finding the Fourth Proportional to 16,563.60, 24,845.40 and 15,470.10

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Solution

The fourth proportional to 16,563.60, 24,845.40 and 15,470.10 is: 23,205.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,563.60 : 24,845.40 = 15,470.10 : x
  2. Step 2: Convert to fraction form
    16,563.60/24,845.40 = 15,470.10/x
  3. Step 3: Cross multiply
    16,563.60x = 24,845.40 × 15,470.10
  4. Step 4: Simplify right side
    16,563.60x = 384,360,822.54
  5. Step 5: Solve for x
    x = 384,360,822.54/16,563.60
  6. Step 6: Final answer
    x = 23,205.15

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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.