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Finding the Fourth Proportional to 27,280.30, 40,915.82 and 7,554.25

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Solution

The fourth proportional to 27,280.30, 40,915.82 and 7,554.25 is: 11,330.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,280.30 : 40,915.82 = 7,554.25 : x
  2. Step 2: Convert to fraction form
    27,280.30/40,915.82 = 7,554.25/x
  3. Step 3: Cross multiply
    27,280.30x = 40,915.82 × 7,554.25
  4. Step 4: Simplify right side
    27,280.30x = 309,088,128.66
  5. Step 5: Solve for x
    x = 309,088,128.66/27,280.30
  6. Step 6: Final answer
    x = 11,330.09

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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.