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Finding the Fourth Proportional to 9,385.72, 14,094.65 and 8,333.90

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Solution

The fourth proportional to 9,385.72, 14,094.65 and 8,333.90 is: 12,515.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,385.72 : 14,094.65 = 8,333.90 : x
  2. Step 2: Convert to fraction form
    9,385.72/14,094.65 = 8,333.90/x
  3. Step 3: Cross multiply
    9,385.72x = 14,094.65 × 8,333.90
  4. Step 4: Simplify right side
    9,385.72x = 117,463,354.00
  5. Step 5: Solve for x
    x = 117,463,354.00/9,385.72
  6. Step 6: Final answer
    x = 12,515.12

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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.