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Finding the Fourth Proportional to 13,092.74, 19,641.54 and 5,307.02

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Solution

The fourth proportional to 13,092.74, 19,641.54 and 5,307.02 is: 7,961.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,092.74 : 19,641.54 = 5,307.02 : x
  2. Step 2: Convert to fraction form
    13,092.74/19,641.54 = 5,307.02/x
  3. Step 3: Cross multiply
    13,092.74x = 19,641.54 × 5,307.02
  4. Step 4: Simplify right side
    13,092.74x = 104,238,045.61
  5. Step 5: Solve for x
    x = 104,238,045.61/13,092.74
  6. Step 6: Final answer
    x = 7,961.51

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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.