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Finding the Fourth Proportional to 10,090.06, 15,134.48 and 4,828.81

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Solution

The fourth proportional to 10,090.06, 15,134.48 and 4,828.81 is: 7,242.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,090.06 : 15,134.48 = 4,828.81 : x
  2. Step 2: Convert to fraction form
    10,090.06/15,134.48 = 4,828.81/x
  3. Step 3: Cross multiply
    10,090.06x = 15,134.48 × 4,828.81
  4. Step 4: Simplify right side
    10,090.06x = 73,081,504.22
  5. Step 5: Solve for x
    x = 73,081,504.22/10,090.06
  6. Step 6: Final answer
    x = 7,242.92

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.