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Finding the Fourth Proportional to 16,813.70, 25,232.70 and 9,410.30

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Solution

The fourth proportional to 16,813.70, 25,232.70 and 9,410.30 is: 14,122.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,813.70 : 25,232.70 = 9,410.30 : x
  2. Step 2: Convert to fraction form
    16,813.70/25,232.70 = 9,410.30/x
  3. Step 3: Cross multiply
    16,813.70x = 25,232.70 × 9,410.30
  4. Step 4: Simplify right side
    16,813.70x = 237,447,276.81
  5. Step 5: Solve for x
    x = 237,447,276.81/16,813.70
  6. Step 6: Final answer
    x = 14,122.25

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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.