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Finding the Fourth Proportional to 34,658.24, 51,987.12 and 8,362.88

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Solution

The fourth proportional to 34,658.24, 51,987.12 and 8,362.88 is: 12,544.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,658.24 : 51,987.12 = 8,362.88 : x
  2. Step 2: Convert to fraction form
    34,658.24/51,987.12 = 8,362.88/x
  3. Step 3: Cross multiply
    34,658.24x = 51,987.12 × 8,362.88
  4. Step 4: Simplify right side
    34,658.24x = 434,762,046.11
  5. Step 5: Solve for x
    x = 434,762,046.11/34,658.24
  6. Step 6: Final answer
    x = 12,544.26

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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.