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Finding the Fourth Proportional to 8,676.37, 11,973.40 and 4,697.49

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Solution

The fourth proportional to 8,676.37, 11,973.40 and 4,697.49 is: 6,482.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,676.37 : 11,973.40 = 4,697.49 : x
  2. Step 2: Convert to fraction form
    8,676.37/11,973.40 = 4,697.49/x
  3. Step 3: Cross multiply
    8,676.37x = 11,973.40 × 4,697.49
  4. Step 4: Simplify right side
    8,676.37x = 56,244,926.77
  5. Step 5: Solve for x
    x = 56,244,926.77/8,676.37
  6. Step 6: Final answer
    x = 6,482.54

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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.