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Finding the Fourth Proportional to 19,233.53, 28,798.16 and 9,980.09

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Solution

The fourth proportional to 19,233.53, 28,798.16 and 9,980.09 is: 14,943.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,233.53 : 28,798.16 = 9,980.09 : x
  2. Step 2: Convert to fraction form
    19,233.53/28,798.16 = 9,980.09/x
  3. Step 3: Cross multiply
    19,233.53x = 28,798.16 × 9,980.09
  4. Step 4: Simplify right side
    19,233.53x = 287,408,034.74
  5. Step 5: Solve for x
    x = 287,408,034.74/19,233.53
  6. Step 6: Final answer
    x = 14,943.08

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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.