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Finding the Fourth Proportional to 29,859.32, 44,790.55 and 7,672.85

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Solution

The fourth proportional to 29,859.32, 44,790.55 and 7,672.85 is: 11,509.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,859.32 : 44,790.55 = 7,672.85 : x
  2. Step 2: Convert to fraction form
    29,859.32/44,790.55 = 7,672.85/x
  3. Step 3: Cross multiply
    29,859.32x = 44,790.55 × 7,672.85
  4. Step 4: Simplify right side
    29,859.32x = 343,671,171.57
  5. Step 5: Solve for x
    x = 343,671,171.57/29,859.32
  6. Step 6: Final answer
    x = 11,509.68

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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.