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Finding the Fourth Proportional to 54,998.61, 82,435.63 and 37,913.61

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Solution

The fourth proportional to 54,998.61, 82,435.63 and 37,913.61 is: 56,827.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,998.61 : 82,435.63 = 37,913.61 : x
  2. Step 2: Convert to fraction form
    54,998.61/82,435.63 = 37,913.61/x
  3. Step 3: Cross multiply
    54,998.61x = 82,435.63 × 37,913.61
  4. Step 4: Simplify right side
    54,998.61x = 3,125,432,439.19
  5. Step 5: Solve for x
    x = 3,125,432,439.19/54,998.61
  6. Step 6: Final answer
    x = 56,827.48

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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.