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Finding the Fourth Proportional to 14,492.61, 19,955.02 and 11,318.73

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Solution

The fourth proportional to 14,492.61, 19,955.02 and 11,318.73 is: 15,584.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,492.61 : 19,955.02 = 11,318.73 : x
  2. Step 2: Convert to fraction form
    14,492.61/19,955.02 = 11,318.73/x
  3. Step 3: Cross multiply
    14,492.61x = 19,955.02 × 11,318.73
  4. Step 4: Simplify right side
    14,492.61x = 225,865,483.52
  5. Step 5: Solve for x
    x = 225,865,483.52/14,492.61
  6. Step 6: Final answer
    x = 15,584.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.