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Finding the Fourth Proportional to 59,091.48, 88,618.08 and 19,638

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Solution

The fourth proportional to 59,091.48, 88,618.08 and 19,638 is: 29,450.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,091.48 : 88,618.08 = 19,638 : x
  2. Step 2: Convert to fraction form
    59,091.48/88,618.08 = 19,638/x
  3. Step 3: Cross multiply
    59,091.48x = 88,618.08 × 19,638
  4. Step 4: Simplify right side
    59,091.48x = 1,740,281,855.04
  5. Step 5: Solve for x
    x = 1,740,281,855.04/59,091.48
  6. Step 6: Final answer
    x = 29,450.64

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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.