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Finding the Fourth Proportional to 16,701.60, 25,023.60 and 14,109.60

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Solution

The fourth proportional to 16,701.60, 25,023.60 and 14,109.60 is: 21,140.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,701.60 : 25,023.60 = 14,109.60 : x
  2. Step 2: Convert to fraction form
    16,701.60/25,023.60 = 14,109.60/x
  3. Step 3: Cross multiply
    16,701.60x = 25,023.60 × 14,109.60
  4. Step 4: Simplify right side
    16,701.60x = 353,072,986.56
  5. Step 5: Solve for x
    x = 353,072,986.56/16,701.60
  6. Step 6: Final answer
    x = 21,140.07

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1.5x scale

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.