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Finding the Fourth Proportional to 8,676.56, 11,973.48 and 4,697.66

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Solution

The fourth proportional to 8,676.56, 11,973.48 and 4,697.66 is: 6,482.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,676.56 : 11,973.48 = 4,697.66 : x
  2. Step 2: Convert to fraction form
    8,676.56/11,973.48 = 4,697.66/x
  3. Step 3: Cross multiply
    8,676.56x = 11,973.48 × 4,697.66
  4. Step 4: Simplify right side
    8,676.56x = 56,247,338.06
  5. Step 5: Solve for x
    x = 56,247,338.06/8,676.56
  6. Step 6: Final answer
    x = 6,482.68

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1.5x scale

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.