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Finding the Fourth Proportional to 14,299.62, 21,441.58 and 4,934.40

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Solution

The fourth proportional to 14,299.62, 21,441.58 and 4,934.40 is: 7,398.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,299.62 : 21,441.58 = 4,934.40 : x
  2. Step 2: Convert to fraction form
    14,299.62/21,441.58 = 4,934.40/x
  3. Step 3: Cross multiply
    14,299.62x = 21,441.58 × 4,934.40
  4. Step 4: Simplify right side
    14,299.62x = 105,801,332.35
  5. Step 5: Solve for x
    x = 105,801,332.35/14,299.62
  6. Step 6: Final answer
    x = 7,398.89

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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.