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Finding the Fourth Proportional to 57,777.70, 86,666.55 and 16,219.30

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Solution

The fourth proportional to 57,777.70, 86,666.55 and 16,219.30 is: 24,328.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,777.70 : 86,666.55 = 16,219.30 : x
  2. Step 2: Convert to fraction form
    57,777.70/86,666.55 = 16,219.30/x
  3. Step 3: Cross multiply
    57,777.70x = 86,666.55 × 16,219.30
  4. Step 4: Simplify right side
    57,777.70x = 1,405,670,774.42
  5. Step 5: Solve for x
    x = 1,405,670,774.42/57,777.70
  6. Step 6: Final answer
    x = 24,328.95

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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.