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Finding the Fourth Proportional to 9,189.16, 12,676.98 and 5,461

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Solution

The fourth proportional to 9,189.16, 12,676.98 and 5,461 is: 7,533.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,189.16 : 12,676.98 = 5,461 : x
  2. Step 2: Convert to fraction form
    9,189.16/12,676.98 = 5,461/x
  3. Step 3: Cross multiply
    9,189.16x = 12,676.98 × 5,461
  4. Step 4: Simplify right side
    9,189.16x = 69,228,987.78
  5. Step 5: Solve for x
    x = 69,228,987.78/9,189.16
  6. Step 6: Final answer
    x = 7,533.77

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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.