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Finding the Fourth Proportional to 14,958, 22,440.24 and 5,724

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Solution

The fourth proportional to 14,958, 22,440.24 and 5,724 is: 8,587.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,958 : 22,440.24 = 5,724 : x
  2. Step 2: Convert to fraction form
    14,958/22,440.24 = 5,724/x
  3. Step 3: Cross multiply
    14,958x = 22,440.24 × 5,724
  4. Step 4: Simplify right side
    14,958x = 128,447,933.76
  5. Step 5: Solve for x
    x = 128,447,933.76/14,958
  6. Step 6: Final answer
    x = 8,587.24

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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.