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Finding the Fourth Proportional to 79,050.46, 118,575.84 and 19,885.73

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Solution

The fourth proportional to 79,050.46, 118,575.84 and 19,885.73 is: 29,828.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,050.46 : 118,575.84 = 19,885.73 : x
  2. Step 2: Convert to fraction form
    79,050.46/118,575.84 = 19,885.73/x
  3. Step 3: Cross multiply
    79,050.46x = 118,575.84 × 19,885.73
  4. Step 4: Simplify right side
    79,050.46x = 2,357,967,138.76
  5. Step 5: Solve for x
    x = 2,357,967,138.76/79,050.46
  6. Step 6: Final answer
    x = 29,828.63

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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.