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Finding the Fourth Proportional to 19,343.07, 29,027.57 and 7,031.07

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Solution

The fourth proportional to 19,343.07, 29,027.57 and 7,031.07 is: 10,551.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,343.07 : 29,027.57 = 7,031.07 : x
  2. Step 2: Convert to fraction form
    19,343.07/29,027.57 = 7,031.07/x
  3. Step 3: Cross multiply
    19,343.07x = 29,027.57 × 7,031.07
  4. Step 4: Simplify right side
    19,343.07x = 204,094,841.44
  5. Step 5: Solve for x
    x = 204,094,841.44/19,343.07
  6. Step 6: Final answer
    x = 10,551.32

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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.