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Finding the Fourth Proportional to 8,892.86, 13,347.32 and 4,736.34

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Solution

The fourth proportional to 8,892.86, 13,347.32 and 4,736.34 is: 7,108.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,892.86 : 13,347.32 = 4,736.34 : x
  2. Step 2: Convert to fraction form
    8,892.86/13,347.32 = 4,736.34/x
  3. Step 3: Cross multiply
    8,892.86x = 13,347.32 × 4,736.34
  4. Step 4: Simplify right side
    8,892.86x = 63,217,421.93
  5. Step 5: Solve for x
    x = 63,217,421.93/8,892.86
  6. Step 6: Final answer
    x = 7,108.79

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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.