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Finding the Fourth Proportional to 72,526.98, 108,777.84 and 19,923.96

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Solution

The fourth proportional to 72,526.98, 108,777.84 and 19,923.96 is: 29,882.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,526.98 : 108,777.84 = 19,923.96 : x
  2. Step 2: Convert to fraction form
    72,526.98/108,777.84 = 19,923.96/x
  3. Step 3: Cross multiply
    72,526.98x = 108,777.84 × 19,923.96
  4. Step 4: Simplify right side
    72,526.98x = 2,167,285,333.05
  5. Step 5: Solve for x
    x = 2,167,285,333.05/72,526.98
  6. Step 6: Final answer
    x = 29,882.47

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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.