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Finding the Fourth Proportional to 58,682.03, 87,984.14 and 21,237.21

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Solution

The fourth proportional to 58,682.03, 87,984.14 and 21,237.21 is: 31,841.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,682.03 : 87,984.14 = 21,237.21 : x
  2. Step 2: Convert to fraction form
    58,682.03/87,984.14 = 21,237.21/x
  3. Step 3: Cross multiply
    58,682.03x = 87,984.14 × 21,237.21
  4. Step 4: Simplify right side
    58,682.03x = 1,868,537,551.66
  5. Step 5: Solve for x
    x = 1,868,537,551.66/58,682.03
  6. Step 6: Final answer
    x = 31,841.74

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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.