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Finding the Fourth Proportional to 14,859.88, 22,291.90 and 4,865.41

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Solution

The fourth proportional to 14,859.88, 22,291.90 and 4,865.41 is: 7,298.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,859.88 : 22,291.90 = 4,865.41 : x
  2. Step 2: Convert to fraction form
    14,859.88/22,291.90 = 4,865.41/x
  3. Step 3: Cross multiply
    14,859.88x = 22,291.90 × 4,865.41
  4. Step 4: Simplify right side
    14,859.88x = 108,459,233.18
  5. Step 5: Solve for x
    x = 108,459,233.18/14,859.88
  6. Step 6: Final answer
    x = 7,298.80

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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.