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Finding the Fourth Proportional to 55,493.94, 83,421.34 and 44,520.67

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Solution

The fourth proportional to 55,493.94, 83,421.34 and 44,520.67 is: 66,925.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,493.94 : 83,421.34 = 44,520.67 : x
  2. Step 2: Convert to fraction form
    55,493.94/83,421.34 = 44,520.67/x
  3. Step 3: Cross multiply
    55,493.94x = 83,421.34 × 44,520.67
  4. Step 4: Simplify right side
    55,493.94x = 3,713,973,949.10
  5. Step 5: Solve for x
    x = 3,713,973,949.10/55,493.94
  6. Step 6: Final answer
    x = 66,925.76

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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.