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Finding the Fourth Proportional to 8,604.58, 12,907.86 and 3,058.45

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Solution

The fourth proportional to 8,604.58, 12,907.86 and 3,058.45 is: 4,588.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,604.58 : 12,907.86 = 3,058.45 : x
  2. Step 2: Convert to fraction form
    8,604.58/12,907.86 = 3,058.45/x
  3. Step 3: Cross multiply
    8,604.58x = 12,907.86 × 3,058.45
  4. Step 4: Simplify right side
    8,604.58x = 39,478,044.42
  5. Step 5: Solve for x
    x = 39,478,044.42/8,604.58
  6. Step 6: Final answer
    x = 4,588.03

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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.