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Finding the Fourth Proportional to 8,676.54, 11,973.63 and 4,697.65

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Solution

The fourth proportional to 8,676.54, 11,973.63 and 4,697.65 is: 6,482.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,676.54 : 11,973.63 = 4,697.65 : x
  2. Step 2: Convert to fraction form
    8,676.54/11,973.63 = 4,697.65/x
  3. Step 3: Cross multiply
    8,676.54x = 11,973.63 × 4,697.65
  4. Step 4: Simplify right side
    8,676.54x = 56,247,899.48
  5. Step 5: Solve for x
    x = 56,247,899.48/8,676.54
  6. Step 6: Final answer
    x = 6,482.76

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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.