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Finding the Fourth Proportional to 29,999.72, 44,968.80 and 11,276.30

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Solution

The fourth proportional to 29,999.72, 44,968.80 and 11,276.30 is: 16,902.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,999.72 : 44,968.80 = 11,276.30 : x
  2. Step 2: Convert to fraction form
    29,999.72/44,968.80 = 11,276.30/x
  3. Step 3: Cross multiply
    29,999.72x = 44,968.80 × 11,276.30
  4. Step 4: Simplify right side
    29,999.72x = 507,081,834.15
  5. Step 5: Solve for x
    x = 507,081,834.15/29,999.72
  6. Step 6: Final answer
    x = 16,902.88

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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.