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Finding the Fourth Proportional to 29,872.76, 44,809.16 and 12,323.30

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Solution

The fourth proportional to 29,872.76, 44,809.16 and 12,323.30 is: 18,484.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,872.76 : 44,809.16 = 12,323.30 : x
  2. Step 2: Convert to fraction form
    29,872.76/44,809.16 = 12,323.30/x
  3. Step 3: Cross multiply
    29,872.76x = 44,809.16 × 12,323.30
  4. Step 4: Simplify right side
    29,872.76x = 552,196,435.77
  5. Step 5: Solve for x
    x = 552,196,435.77/29,872.76
  6. Step 6: Final answer
    x = 18,484.95

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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.