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Finding the Fourth Proportional to 54,457.68, 81,704.16 and 26,736.24

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Solution

The fourth proportional to 54,457.68, 81,704.16 and 26,736.24 is: 40,113.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,457.68 : 81,704.16 = 26,736.24 : x
  2. Step 2: Convert to fraction form
    54,457.68/81,704.16 = 26,736.24/x
  3. Step 3: Cross multiply
    54,457.68x = 81,704.16 × 26,736.24
  4. Step 4: Simplify right side
    54,457.68x = 2,184,462,030.76
  5. Step 5: Solve for x
    x = 2,184,462,030.76/54,457.68
  6. Step 6: Final answer
    x = 40,113.02

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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.