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Finding the Fourth Proportional to 59,841.34, 89,762.01 and 18,287.98

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Solution

The fourth proportional to 59,841.34, 89,762.01 and 18,287.98 is: 27,431.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,841.34 : 89,762.01 = 18,287.98 : x
  2. Step 2: Convert to fraction form
    59,841.34/89,762.01 = 18,287.98/x
  3. Step 3: Cross multiply
    59,841.34x = 89,762.01 × 18,287.98
  4. Step 4: Simplify right side
    59,841.34x = 1,641,565,843.64
  5. Step 5: Solve for x
    x = 1,641,565,843.64/59,841.34
  6. Step 6: Final answer
    x = 27,431.97

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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.