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Finding the Fourth Proportional to 51,668.80, 77,503.61 and 14,230.94

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Solution

The fourth proportional to 51,668.80, 77,503.61 and 14,230.94 is: 21,346.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,668.80 : 77,503.61 = 14,230.94 : x
  2. Step 2: Convert to fraction form
    51,668.80/77,503.61 = 14,230.94/x
  3. Step 3: Cross multiply
    51,668.80x = 77,503.61 × 14,230.94
  4. Step 4: Simplify right side
    51,668.80x = 1,102,948,871.75
  5. Step 5: Solve for x
    x = 1,102,948,871.75/51,668.80
  6. Step 6: Final answer
    x = 21,346.52

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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.