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Finding the Fourth Proportional to 58,419.55, 87,629.29 and 14,046.28

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Solution

The fourth proportional to 58,419.55, 87,629.29 and 14,046.28 is: 21,069.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,419.55 : 87,629.29 = 14,046.28 : x
  2. Step 2: Convert to fraction form
    58,419.55/87,629.29 = 14,046.28/x
  3. Step 3: Cross multiply
    58,419.55x = 87,629.29 × 14,046.28
  4. Step 4: Simplify right side
    58,419.55x = 1,230,865,543.54
  5. Step 5: Solve for x
    x = 1,230,865,543.54/58,419.55
  6. Step 6: Final answer
    x = 21,069.41

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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.