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Finding the Fourth Proportional to 14,790, 22,185.72 and 4,401.84

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Solution

The fourth proportional to 14,790, 22,185.72 and 4,401.84 is: 6,602.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,790 : 22,185.72 = 4,401.84 : x
  2. Step 2: Convert to fraction form
    14,790/22,185.72 = 4,401.84/x
  3. Step 3: Cross multiply
    14,790x = 22,185.72 × 4,401.84
  4. Step 4: Simplify right side
    14,790x = 97,657,989.72
  5. Step 5: Solve for x
    x = 97,657,989.72/14,790
  6. Step 6: Final answer
    x = 6,602.97

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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.