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Finding the Fourth Proportional to 40,000.44, 59,980.53 and 13,336.98

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Solution

The fourth proportional to 40,000.44, 59,980.53 and 13,336.98 is: 19,998.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,000.44 : 59,980.53 = 13,336.98 : x
  2. Step 2: Convert to fraction form
    40,000.44/59,980.53 = 13,336.98/x
  3. Step 3: Cross multiply
    40,000.44x = 59,980.53 × 13,336.98
  4. Step 4: Simplify right side
    40,000.44x = 799,959,129.00
  5. Step 5: Solve for x
    x = 799,959,129.00/40,000.44
  6. Step 6: Final answer
    x = 19,998.76

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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.