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Finding the Fourth Proportional to 8,676.16, 11,973.16 and 4,697.28

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Solution

The fourth proportional to 8,676.16, 11,973.16 and 4,697.28 is: 6,482.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,676.16 : 11,973.16 = 4,697.28 : x
  2. Step 2: Convert to fraction form
    8,676.16/11,973.16 = 4,697.28/x
  3. Step 3: Cross multiply
    8,676.16x = 11,973.16 × 4,697.28
  4. Step 4: Simplify right side
    8,676.16x = 56,241,285.00
  5. Step 5: Solve for x
    x = 56,241,285.00/8,676.16
  6. Step 6: Final answer
    x = 6,482.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.