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Finding the Fourth Proportional to 58,633.81, 87,878.46 and 33,354.52

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Solution

The fourth proportional to 58,633.81, 87,878.46 and 33,354.52 is: 49,990.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,633.81 : 87,878.46 = 33,354.52 : x
  2. Step 2: Convert to fraction form
    58,633.81/87,878.46 = 33,354.52/x
  3. Step 3: Cross multiply
    58,633.81x = 87,878.46 × 33,354.52
  4. Step 4: Simplify right side
    58,633.81x = 2,931,143,851.64
  5. Step 5: Solve for x
    x = 2,931,143,851.64/58,633.81
  6. Step 6: Final answer
    x = 49,990.68

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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.