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Finding the Fourth Proportional to 14,656.76, 21,988.22 and 4,795.27

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Solution

The fourth proportional to 14,656.76, 21,988.22 and 4,795.27 is: 7,193.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,656.76 : 21,988.22 = 4,795.27 : x
  2. Step 2: Convert to fraction form
    14,656.76/21,988.22 = 4,795.27/x
  3. Step 3: Cross multiply
    14,656.76x = 21,988.22 × 4,795.27
  4. Step 4: Simplify right side
    14,656.76x = 105,439,317.80
  5. Step 5: Solve for x
    x = 105,439,317.80/14,656.76
  6. Step 6: Final answer
    x = 7,193.90

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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.