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Finding the Fourth Proportional to 16,946,873.20, 25,420,309.80 and 16,285,524.40

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Solution

The fourth proportional to 16,946,873.20, 25,420,309.80 and 16,285,524.40 is: 24,428,286.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,946,873.20 : 25,420,309.80 = 16,285,524.40 : x
  2. Step 2: Convert to fraction form
    16,946,873.20/25,420,309.80 = 16,285,524.40/x
  3. Step 3: Cross multiply
    16,946,873.20x = 25,420,309.80 × 16,285,524.40
  4. Step 4: Simplify right side
    16,946,873.20x = 413,983,075,503,459.12
  5. Step 5: Solve for x
    x = 413,983,075,503,459.12/16,946,873.20
  6. Step 6: Final answer
    x = 24,428,286.60

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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.