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Finding the Fourth Proportional to 59,881.16, 89,810.16 and 19,893.92

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Solution

The fourth proportional to 59,881.16, 89,810.16 and 19,893.92 is: 29,837.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,881.16 : 89,810.16 = 19,893.92 : x
  2. Step 2: Convert to fraction form
    59,881.16/89,810.16 = 19,893.92/x
  3. Step 3: Cross multiply
    59,881.16x = 89,810.16 × 19,893.92
  4. Step 4: Simplify right side
    59,881.16x = 1,786,676,138.23
  5. Step 5: Solve for x
    x = 1,786,676,138.23/59,881.16
  6. Step 6: Final answer
    x = 29,837.03

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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.