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Finding the Fourth Proportional to 65,804.70, 98,419.05 and 58,835.10

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Solution

The fourth proportional to 65,804.70, 98,419.05 and 58,835.10 is: 87,995.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,804.70 : 98,419.05 = 58,835.10 : x
  2. Step 2: Convert to fraction form
    65,804.70/98,419.05 = 58,835.10/x
  3. Step 3: Cross multiply
    65,804.70x = 98,419.05 × 58,835.10
  4. Step 4: Simplify right side
    65,804.70x = 5,790,494,648.66
  5. Step 5: Solve for x
    x = 5,790,494,648.66/65,804.70
  6. Step 6: Final answer
    x = 87,995.15

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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.