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Finding the Fourth Proportional to 54,403.72, 81,597.90 and 17,462.92

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Solution

The fourth proportional to 54,403.72, 81,597.90 and 17,462.92 is: 26,191.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,403.72 : 81,597.90 = 17,462.92 : x
  2. Step 2: Convert to fraction form
    54,403.72/81,597.90 = 17,462.92/x
  3. Step 3: Cross multiply
    54,403.72x = 81,597.90 × 17,462.92
  4. Step 4: Simplify right side
    54,403.72x = 1,424,937,599.87
  5. Step 5: Solve for x
    x = 1,424,937,599.87/54,403.72
  6. Step 6: Final answer
    x = 26,191.91

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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.