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Finding the Fourth Proportional to 7,011.55, 9,676.87 and 4,459.54

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Solution

The fourth proportional to 7,011.55, 9,676.87 and 4,459.54 is: 6,154.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011.55 : 9,676.87 = 4,459.54 : x
  2. Step 2: Convert to fraction form
    7,011.55/9,676.87 = 4,459.54/x
  3. Step 3: Cross multiply
    7,011.55x = 9,676.87 × 4,459.54
  4. Step 4: Simplify right side
    7,011.55x = 43,154,412.47
  5. Step 5: Solve for x
    x = 43,154,412.47/7,011.55
  6. Step 6: Final answer
    x = 6,154.76

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