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Finding the Fourth Proportional to 7,012.04, 9,676.50 and 4,027.88

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Solution

The fourth proportional to 7,012.04, 9,676.50 and 4,027.88 is: 5,558.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,012.04 : 9,676.50 = 4,027.88 : x
  2. Step 2: Convert to fraction form
    7,012.04/9,676.50 = 4,027.88/x
  3. Step 3: Cross multiply
    7,012.04x = 9,676.50 × 4,027.88
  4. Step 4: Simplify right side
    7,012.04x = 38,975,780.82
  5. Step 5: Solve for x
    x = 38,975,780.82/7,012.04
  6. Step 6: Final answer
    x = 5,558.41

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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.