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Finding the Fourth Proportional to 16,807.60, 25,216.80 and 11,267.20

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Solution

The fourth proportional to 16,807.60, 25,216.80 and 11,267.20 is: 16,904.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,807.60 : 25,216.80 = 11,267.20 : x
  2. Step 2: Convert to fraction form
    16,807.60/25,216.80 = 11,267.20/x
  3. Step 3: Cross multiply
    16,807.60x = 25,216.80 × 11,267.20
  4. Step 4: Simplify right side
    16,807.60x = 284,122,728.96
  5. Step 5: Solve for x
    x = 284,122,728.96/16,807.60
  6. Step 6: Final answer
    x = 16,904.42

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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.