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Finding the Fourth Proportional to 8,897.85, 13,347 and 3,054.42

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Solution

The fourth proportional to 8,897.85, 13,347 and 3,054.42 is: 4,581.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,897.85 : 13,347 = 3,054.42 : x
  2. Step 2: Convert to fraction form
    8,897.85/13,347 = 3,054.42/x
  3. Step 3: Cross multiply
    8,897.85x = 13,347 × 3,054.42
  4. Step 4: Simplify right side
    8,897.85x = 40,767,343.74
  5. Step 5: Solve for x
    x = 40,767,343.74/8,897.85
  6. Step 6: Final answer
    x = 4,581.71

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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.