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Finding the Fourth Proportional to 58,974.75, 88,477.11 and 17,421.75

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Solution

The fourth proportional to 58,974.75, 88,477.11 and 17,421.75 is: 26,137.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,974.75 : 88,477.11 = 17,421.75 : x
  2. Step 2: Convert to fraction form
    58,974.75/88,477.11 = 17,421.75/x
  3. Step 3: Cross multiply
    58,974.75x = 88,477.11 × 17,421.75
  4. Step 4: Simplify right side
    58,974.75x = 1,541,426,091.14
  5. Step 5: Solve for x
    x = 1,541,426,091.14/58,974.75
  6. Step 6: Final answer
    x = 26,137.05

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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.