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Finding the Fourth Proportional to 8,893.84, 13,347.33 and 4,213.86

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Solution

The fourth proportional to 8,893.84, 13,347.33 and 4,213.86 is: 6,323.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893.84 : 13,347.33 = 4,213.86 : x
  2. Step 2: Convert to fraction form
    8,893.84/13,347.33 = 4,213.86/x
  3. Step 3: Cross multiply
    8,893.84x = 13,347.33 × 4,213.86
  4. Step 4: Simplify right side
    8,893.84x = 56,243,779.99
  5. Step 5: Solve for x
    x = 56,243,779.99/8,893.84
  6. Step 6: Final answer
    x = 6,323.90

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1.5x scale

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.