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Finding the Fourth Proportional to 14,885.33, 22,329.97 and 7,865.63

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Solution

The fourth proportional to 14,885.33, 22,329.97 and 7,865.63 is: 11,799.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,885.33 : 22,329.97 = 7,865.63 : x
  2. Step 2: Convert to fraction form
    14,885.33/22,329.97 = 7,865.63/x
  3. Step 3: Cross multiply
    14,885.33x = 22,329.97 × 7,865.63
  4. Step 4: Simplify right side
    14,885.33x = 175,639,263.85
  5. Step 5: Solve for x
    x = 175,639,263.85/14,885.33
  6. Step 6: Final answer
    x = 11,799.49

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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.