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Finding the Fourth Proportional to 13,785.72, 19,024.14 and 7,498.10

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Solution

The fourth proportional to 13,785.72, 19,024.14 and 7,498.10 is: 10,347.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,785.72 : 19,024.14 = 7,498.10 : x
  2. Step 2: Convert to fraction form
    13,785.72/19,024.14 = 7,498.10/x
  3. Step 3: Cross multiply
    13,785.72x = 19,024.14 × 7,498.10
  4. Step 4: Simplify right side
    13,785.72x = 142,644,904.13
  5. Step 5: Solve for x
    x = 142,644,904.13/13,785.72
  6. Step 6: Final answer
    x = 10,347.29

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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.