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Finding the Fourth Proportional to 16,914.60, 25,394.70 and 9,901.80

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Solution

The fourth proportional to 16,914.60, 25,394.70 and 9,901.80 is: 14,866.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,914.60 : 25,394.70 = 9,901.80 : x
  2. Step 2: Convert to fraction form
    16,914.60/25,394.70 = 9,901.80/x
  3. Step 3: Cross multiply
    16,914.60x = 25,394.70 × 9,901.80
  4. Step 4: Simplify right side
    16,914.60x = 251,453,240.46
  5. Step 5: Solve for x
    x = 251,453,240.46/16,914.60
  6. Step 6: Final answer
    x = 14,866.05

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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.