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Finding the Fourth Proportional to 15,996.78, 23,972.62 and 7,554.28

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Solution

The fourth proportional to 15,996.78, 23,972.62 and 7,554.28 is: 11,320.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,996.78 : 23,972.62 = 7,554.28 : x
  2. Step 2: Convert to fraction form
    15,996.78/23,972.62 = 7,554.28/x
  3. Step 3: Cross multiply
    15,996.78x = 23,972.62 × 7,554.28
  4. Step 4: Simplify right side
    15,996.78x = 181,095,805.00
  5. Step 5: Solve for x
    x = 181,095,805.00/15,996.78
  6. Step 6: Final answer
    x = 11,320.77

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1.5x scale

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.