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Finding the Fourth Proportional to 34,658.72, 51,987.63 and 8,363.24

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Solution

The fourth proportional to 34,658.72, 51,987.63 and 8,363.24 is: 12,544.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,658.72 : 51,987.63 = 8,363.24 : x
  2. Step 2: Convert to fraction form
    34,658.72/51,987.63 = 8,363.24/x
  3. Step 3: Cross multiply
    34,658.72x = 51,987.63 × 8,363.24
  4. Step 4: Simplify right side
    34,658.72x = 434,785,026.72
  5. Step 5: Solve for x
    x = 434,785,026.72/34,658.72
  6. Step 6: Final answer
    x = 12,544.75

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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.