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Finding the Fourth Proportional to 16,851.60, 25,277.40 and 14,081.40

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Solution

The fourth proportional to 16,851.60, 25,277.40 and 14,081.40 is: 21,122.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,851.60 : 25,277.40 = 14,081.40 : x
  2. Step 2: Convert to fraction form
    16,851.60/25,277.40 = 14,081.40/x
  3. Step 3: Cross multiply
    16,851.60x = 25,277.40 × 14,081.40
  4. Step 4: Simplify right side
    16,851.60x = 355,941,180.36
  5. Step 5: Solve for x
    x = 355,941,180.36/16,851.60
  6. Step 6: Final answer
    x = 21,122.10

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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.