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Finding the Fourth Proportional to 36,627.03, 54,940.55 and 13,248

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Solution

The fourth proportional to 36,627.03, 54,940.55 and 13,248 is: 19,872.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,627.03 : 54,940.55 = 13,248 : x
  2. Step 2: Convert to fraction form
    36,627.03/54,940.55 = 13,248/x
  3. Step 3: Cross multiply
    36,627.03x = 54,940.55 × 13,248
  4. Step 4: Simplify right side
    36,627.03x = 727,852,406.40
  5. Step 5: Solve for x
    x = 727,852,406.40/36,627.03
  6. Step 6: Final answer
    x = 19,872.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.