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Finding the Fourth Proportional to 10,089.78, 13,924.08 and 5,552.46

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Solution

The fourth proportional to 10,089.78, 13,924.08 and 5,552.46 is: 7,662.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,089.78 : 13,924.08 = 5,552.46 : x
  2. Step 2: Convert to fraction form
    10,089.78/13,924.08 = 5,552.46/x
  3. Step 3: Cross multiply
    10,089.78x = 13,924.08 × 5,552.46
  4. Step 4: Simplify right side
    10,089.78x = 77,312,897.24
  5. Step 5: Solve for x
    x = 77,312,897.24/10,089.78
  6. Step 6: Final answer
    x = 7,662.50

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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.