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Finding the Fourth Proportional to 54,681.92, 82,033.84 and 19,624.32

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Solution

The fourth proportional to 54,681.92, 82,033.84 and 19,624.32 is: 29,440.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,681.92 : 82,033.84 = 19,624.32 : x
  2. Step 2: Convert to fraction form
    54,681.92/82,033.84 = 19,624.32/x
  3. Step 3: Cross multiply
    54,681.92x = 82,033.84 × 19,624.32
  4. Step 4: Simplify right side
    54,681.92x = 1,609,858,326.99
  5. Step 5: Solve for x
    x = 1,609,858,326.99/54,681.92
  6. Step 6: Final answer
    x = 29,440.41

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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.