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Finding the Fourth Proportional to 27,060, 40,554.36 and 11,458.32

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Solution

The fourth proportional to 27,060, 40,554.36 and 11,458.32 is: 17,172.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,060 : 40,554.36 = 11,458.32 : x
  2. Step 2: Convert to fraction form
    27,060/40,554.36 = 11,458.32/x
  3. Step 3: Cross multiply
    27,060x = 40,554.36 × 11,458.32
  4. Step 4: Simplify right side
    27,060x = 464,684,834.28
  5. Step 5: Solve for x
    x = 464,684,834.28/27,060
  6. Step 6: Final answer
    x = 17,172.39

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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.