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Finding the Fourth Proportional to 14,991.92, 22,492.68 and 7,201.28

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Solution

The fourth proportional to 14,991.92, 22,492.68 and 7,201.28 is: 10,804.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,991.92 : 22,492.68 = 7,201.28 : x
  2. Step 2: Convert to fraction form
    14,991.92/22,492.68 = 7,201.28/x
  3. Step 3: Cross multiply
    14,991.92x = 22,492.68 × 7,201.28
  4. Step 4: Simplify right side
    14,991.92x = 161,976,086.63
  5. Step 5: Solve for x
    x = 161,976,086.63/14,991.92
  6. Step 6: Final answer
    x = 10,804.23

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1.5x scale

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.