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Finding the Fourth Proportional to 59,911.84, 89,864.52 and 18,358.96

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Solution

The fourth proportional to 59,911.84, 89,864.52 and 18,358.96 is: 27,537.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,911.84 : 89,864.52 = 18,358.96 : x
  2. Step 2: Convert to fraction form
    59,911.84/89,864.52 = 18,358.96/x
  3. Step 3: Cross multiply
    59,911.84x = 89,864.52 × 18,358.96
  4. Step 4: Simplify right side
    59,911.84x = 1,649,819,128.10
  5. Step 5: Solve for x
    x = 1,649,819,128.10/59,911.84
  6. Step 6: Final answer
    x = 27,537.45

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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.