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Finding the Fourth Proportional to 82,809.40, 124,202.90 and 32,926.20

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Solution

The fourth proportional to 82,809.40, 124,202.90 and 32,926.20 is: 49,384.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,809.40 : 124,202.90 = 32,926.20 : x
  2. Step 2: Convert to fraction form
    82,809.40/124,202.90 = 32,926.20/x
  3. Step 3: Cross multiply
    82,809.40x = 124,202.90 × 32,926.20
  4. Step 4: Simplify right side
    82,809.40x = 4,089,529,525.98
  5. Step 5: Solve for x
    x = 4,089,529,525.98/82,809.40
  6. Step 6: Final answer
    x = 49,384.85

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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.