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Finding the Fourth Proportional to 14,809.60, 22,216.06 and 4,949.56

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Solution

The fourth proportional to 14,809.60, 22,216.06 and 4,949.56 is: 7,424.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,809.60 : 22,216.06 = 4,949.56 : x
  2. Step 2: Convert to fraction form
    14,809.60/22,216.06 = 4,949.56/x
  3. Step 3: Cross multiply
    14,809.60x = 22,216.06 × 4,949.56
  4. Step 4: Simplify right side
    14,809.60x = 109,959,721.93
  5. Step 5: Solve for x
    x = 109,959,721.93/14,809.60
  6. Step 6: Final answer
    x = 7,424.89

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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.