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Finding the Fourth Proportional to 29,642.49, 44,450.76 and 8,861.13

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Solution

The fourth proportional to 29,642.49, 44,450.76 and 8,861.13 is: 13,287.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,642.49 : 44,450.76 = 8,861.13 : x
  2. Step 2: Convert to fraction form
    29,642.49/44,450.76 = 8,861.13/x
  3. Step 3: Cross multiply
    29,642.49x = 44,450.76 × 8,861.13
  4. Step 4: Simplify right side
    29,642.49x = 393,883,962.96
  5. Step 5: Solve for x
    x = 393,883,962.96/29,642.49
  6. Step 6: Final answer
    x = 13,287.82

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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.