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Finding the Fourth Proportional to 22,860.70, 34,279.71 and 7,276.30

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Solution

The fourth proportional to 22,860.70, 34,279.71 and 7,276.30 is: 10,910.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,860.70 : 34,279.71 = 7,276.30 : x
  2. Step 2: Convert to fraction form
    22,860.70/34,279.71 = 7,276.30/x
  3. Step 3: Cross multiply
    22,860.70x = 34,279.71 × 7,276.30
  4. Step 4: Simplify right side
    22,860.70x = 249,429,453.87
  5. Step 5: Solve for x
    x = 249,429,453.87/22,860.70
  6. Step 6: Final answer
    x = 10,910.84

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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.