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Finding the Fourth Proportional to 14,090.34, 19,444.68 and 7,802.72

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Solution

The fourth proportional to 14,090.34, 19,444.68 and 7,802.72 is: 10,767.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090.34 : 19,444.68 = 7,802.72 : x
  2. Step 2: Convert to fraction form
    14,090.34/19,444.68 = 7,802.72/x
  3. Step 3: Cross multiply
    14,090.34x = 19,444.68 × 7,802.72
  4. Step 4: Simplify right side
    14,090.34x = 151,721,369.22
  5. Step 5: Solve for x
    x = 151,721,369.22/14,090.34
  6. Step 6: Final answer
    x = 10,767.75

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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.