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Finding the Fourth Proportional to 14,920.16, 22,375.66 and 4,923.06

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Solution

The fourth proportional to 14,920.16, 22,375.66 and 4,923.06 is: 7,383.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,920.16 : 22,375.66 = 4,923.06 : x
  2. Step 2: Convert to fraction form
    14,920.16/22,375.66 = 4,923.06/x
  3. Step 3: Cross multiply
    14,920.16x = 22,375.66 × 4,923.06
  4. Step 4: Simplify right side
    14,920.16x = 110,156,704.41
  5. Step 5: Solve for x
    x = 110,156,704.41/14,920.16
  6. Step 6: Final answer
    x = 7,383.08

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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.