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Finding the Fourth Proportional to 50,977.84, 76,483.02 and 21,387.73

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Solution

The fourth proportional to 50,977.84, 76,483.02 and 21,387.73 is: 32,088.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,977.84 : 76,483.02 = 21,387.73 : x
  2. Step 2: Convert to fraction form
    50,977.84/76,483.02 = 21,387.73/x
  3. Step 3: Cross multiply
    50,977.84x = 76,483.02 × 21,387.73
  4. Step 4: Simplify right side
    50,977.84x = 1,635,798,181.34
  5. Step 5: Solve for x
    x = 1,635,798,181.34/50,977.84
  6. Step 6: Final answer
    x = 32,088.42

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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.