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Finding the Fourth Proportional to 9,818.15, 13,549.01 and 5,341.82

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Solution

The fourth proportional to 9,818.15, 13,549.01 and 5,341.82 is: 7,371.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,818.15 : 13,549.01 = 5,341.82 : x
  2. Step 2: Convert to fraction form
    9,818.15/13,549.01 = 5,341.82/x
  3. Step 3: Cross multiply
    9,818.15x = 13,549.01 × 5,341.82
  4. Step 4: Simplify right side
    9,818.15x = 72,376,278.14
  5. Step 5: Solve for x
    x = 72,376,278.14/9,818.15
  6. Step 6: Final answer
    x = 7,371.69

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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.