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Finding the Fourth Proportional to 52,480.53, 78,666.12 and 22,890.42

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Solution

The fourth proportional to 52,480.53, 78,666.12 and 22,890.42 is: 34,311.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,480.53 : 78,666.12 = 22,890.42 : x
  2. Step 2: Convert to fraction form
    52,480.53/78,666.12 = 22,890.42/x
  3. Step 3: Cross multiply
    52,480.53x = 78,666.12 × 22,890.42
  4. Step 4: Simplify right side
    52,480.53x = 1,800,700,526.57
  5. Step 5: Solve for x
    x = 1,800,700,526.57/52,480.53
  6. Step 6: Final answer
    x = 34,311.78

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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.