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Finding the Fourth Proportional to 54,697.61, 82,078.71 and 23,105.63

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Solution

The fourth proportional to 54,697.61, 82,078.71 and 23,105.63 is: 34,672.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,697.61 : 82,078.71 = 23,105.63 : x
  2. Step 2: Convert to fraction form
    54,697.61/82,078.71 = 23,105.63/x
  3. Step 3: Cross multiply
    54,697.61x = 82,078.71 × 23,105.63
  4. Step 4: Simplify right side
    54,697.61x = 1,896,479,778.22
  5. Step 5: Solve for x
    x = 1,896,479,778.22/54,697.61
  6. Step 6: Final answer
    x = 34,672.08

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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.