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Finding the Fourth Proportional to 29,031.62, 43,554.74 and 8,255.12

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Solution

The fourth proportional to 29,031.62, 43,554.74 and 8,255.12 is: 12,384.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,031.62 : 43,554.74 = 8,255.12 : x
  2. Step 2: Convert to fraction form
    29,031.62/43,554.74 = 8,255.12/x
  3. Step 3: Cross multiply
    29,031.62x = 43,554.74 × 8,255.12
  4. Step 4: Simplify right side
    29,031.62x = 359,549,346.22
  5. Step 5: Solve for x
    x = 359,549,346.22/29,031.62
  6. Step 6: Final answer
    x = 12,384.75

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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.