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Finding the Fourth Proportional to 30,566.94, 45,845.49 and 8,375.13

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Solution

The fourth proportional to 30,566.94, 45,845.49 and 8,375.13 is: 12,561.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,566.94 : 45,845.49 = 8,375.13 : x
  2. Step 2: Convert to fraction form
    30,566.94/45,845.49 = 8,375.13/x
  3. Step 3: Cross multiply
    30,566.94x = 45,845.49 × 8,375.13
  4. Step 4: Simplify right side
    30,566.94x = 383,961,938.66
  5. Step 5: Solve for x
    x = 383,961,938.66/30,566.94
  6. Step 6: Final answer
    x = 12,561.35

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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.