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Finding the Fourth Proportional to 34,778.88, 52,168.87 and 8,484.12

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Solution

The fourth proportional to 34,778.88, 52,168.87 and 8,484.12 is: 12,726.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,778.88 : 52,168.87 = 8,484.12 : x
  2. Step 2: Convert to fraction form
    34,778.88/52,168.87 = 8,484.12/x
  3. Step 3: Cross multiply
    34,778.88x = 52,168.87 × 8,484.12
  4. Step 4: Simplify right side
    34,778.88x = 442,606,953.34
  5. Step 5: Solve for x
    x = 442,606,953.34/34,778.88
  6. Step 6: Final answer
    x = 12,726.31

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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.