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Finding the Fourth Proportional to 52,940.55, 79,521.54 and 44,636.79

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Solution

The fourth proportional to 52,940.55, 79,521.54 and 44,636.79 is: 67,048.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,940.55 : 79,521.54 = 44,636.79 : x
  2. Step 2: Convert to fraction form
    52,940.55/79,521.54 = 44,636.79/x
  3. Step 3: Cross multiply
    52,940.55x = 79,521.54 × 44,636.79
  4. Step 4: Simplify right side
    52,940.55x = 3,549,586,281.46
  5. Step 5: Solve for x
    x = 3,549,586,281.46/52,940.55
  6. Step 6: Final answer
    x = 67,048.53

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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.