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Finding the Fourth Proportional to 16,840,741.20, 25,261,111.80 and 10,463,449.20

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Solution

The fourth proportional to 16,840,741.20, 25,261,111.80 and 10,463,449.20 is: 15,695,173.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,840,741.20 : 25,261,111.80 = 10,463,449.20 : x
  2. Step 2: Convert to fraction form
    16,840,741.20/25,261,111.80 = 10,463,449.20/x
  3. Step 3: Cross multiply
    16,840,741.20x = 25,261,111.80 × 10,463,449.20
  4. Step 4: Simplify right side
    16,840,741.20x = 264,318,360,054,820.56
  5. Step 5: Solve for x
    x = 264,318,360,054,820.56/16,840,741.20
  6. Step 6: Final answer
    x = 15,695,173.80

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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.