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Finding the Fourth Proportional to 11,291.00, 15,574.88 and 6,812.10

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Solution

The fourth proportional to 11,291.00, 15,574.88 and 6,812.10 is: 9,396.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,291.00 : 15,574.88 = 6,812.10 : x
  2. Step 2: Convert to fraction form
    11,291.00/15,574.88 = 6,812.10/x
  3. Step 3: Cross multiply
    11,291.00x = 15,574.88 × 6,812.10
  4. Step 4: Simplify right side
    11,291.00x = 106,097,657.08
  5. Step 5: Solve for x
    x = 106,097,657.08/11,291.00
  6. Step 6: Final answer
    x = 9,396.66

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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.