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Finding the Fourth Proportional to 14,017,803.20, 20,993,527.20 and 9,505,649.60

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Solution

The fourth proportional to 14,017,803.20, 20,993,527.20 and 9,505,649.60 is: 14,235,976.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,017,803.20 : 20,993,527.20 = 9,505,649.60 : x
  2. Step 2: Convert to fraction form
    14,017,803.20/20,993,527.20 = 9,505,649.60/x
  3. Step 3: Cross multiply
    14,017,803.20x = 20,993,527.20 × 9,505,649.60
  4. Step 4: Simplify right side
    14,017,803.20x = 199,557,113,431,269.09
  5. Step 5: Solve for x
    x = 199,557,113,431,269.09/14,017,803.20
  6. Step 6: Final answer
    x = 14,235,976.25

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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.