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Finding the Fourth Proportional to 19,553.16, 29,343.78 and 9,697.08

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Solution

The fourth proportional to 19,553.16, 29,343.78 and 9,697.08 is: 14,552.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,553.16 : 29,343.78 = 9,697.08 : x
  2. Step 2: Convert to fraction form
    19,553.16/29,343.78 = 9,697.08/x
  3. Step 3: Cross multiply
    19,553.16x = 29,343.78 × 9,697.08
  4. Step 4: Simplify right side
    19,553.16x = 284,548,982.16
  5. Step 5: Solve for x
    x = 284,548,982.16/19,553.16
  6. Step 6: Final answer
    x = 14,552.58

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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.