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Finding the Fourth Proportional to 29,999.55, 44,997.50 and 12,469.53

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Solution

The fourth proportional to 29,999.55, 44,997.50 and 12,469.53 is: 18,703.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,999.55 : 44,997.50 = 12,469.53 : x
  2. Step 2: Convert to fraction form
    29,999.55/44,997.50 = 12,469.53/x
  3. Step 3: Cross multiply
    29,999.55x = 44,997.50 × 12,469.53
  4. Step 4: Simplify right side
    29,999.55x = 561,097,613.83
  5. Step 5: Solve for x
    x = 561,097,613.83/29,999.55
  6. Step 6: Final answer
    x = 18,703.53

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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.