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Finding the Fourth Proportional to 59,090.76, 88,636.91 and 19,647.87

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Solution

The fourth proportional to 59,090.76, 88,636.91 and 19,647.87 is: 29,472.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,090.76 : 88,636.91 = 19,647.87 : x
  2. Step 2: Convert to fraction form
    59,090.76/88,636.91 = 19,647.87/x
  3. Step 3: Cross multiply
    59,090.76x = 88,636.91 × 19,647.87
  4. Step 4: Simplify right side
    59,090.76x = 1,741,526,866.39
  5. Step 5: Solve for x
    x = 1,741,526,866.39/59,090.76
  6. Step 6: Final answer
    x = 29,472.07

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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.