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Finding the Fourth Proportional to 10,898.88, 15,036 and 7,588.80

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Solution

The fourth proportional to 10,898.88, 15,036 and 7,588.80 is: 10,469.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,898.88 : 15,036 = 7,588.80 : x
  2. Step 2: Convert to fraction form
    10,898.88/15,036 = 7,588.80/x
  3. Step 3: Cross multiply
    10,898.88x = 15,036 × 7,588.80
  4. Step 4: Simplify right side
    10,898.88x = 114,105,196.80
  5. Step 5: Solve for x
    x = 114,105,196.80/10,898.88
  6. Step 6: Final answer
    x = 10,469.44

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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.