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Finding the Fourth Proportional to 8,898.35, 13,348.43 and 3,054.20

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Solution

The fourth proportional to 8,898.35, 13,348.43 and 3,054.20 is: 4,581.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898.35 : 13,348.43 = 3,054.20 : x
  2. Step 2: Convert to fraction form
    8,898.35/13,348.43 = 3,054.20/x
  3. Step 3: Cross multiply
    8,898.35x = 13,348.43 × 3,054.20
  4. Step 4: Simplify right side
    8,898.35x = 40,768,692.89
  5. Step 5: Solve for x
    x = 40,768,692.89/8,898.35
  6. Step 6: Final answer
    x = 4,581.60

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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.