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Finding the Fourth Proportional to 8,045.52, 12,072.84 and 4,347.66

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Solution

The fourth proportional to 8,045.52, 12,072.84 and 4,347.66 is: 6,523.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.52 : 12,072.84 = 4,347.66 : x
  2. Step 2: Convert to fraction form
    8,045.52/12,072.84 = 4,347.66/x
  3. Step 3: Cross multiply
    8,045.52x = 12,072.84 × 4,347.66
  4. Step 4: Simplify right side
    8,045.52x = 52,488,603.55
  5. Step 5: Solve for x
    x = 52,488,603.55/8,045.52
  6. Step 6: Final answer
    x = 6,523.95

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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.