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Finding the Fourth Proportional to 14,922.15, 22,429.71 and 9,410.91

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Solution

The fourth proportional to 14,922.15, 22,429.71 and 9,410.91 is: 14,145.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,922.15 : 22,429.71 = 9,410.91 : x
  2. Step 2: Convert to fraction form
    14,922.15/22,429.71 = 9,410.91/x
  3. Step 3: Cross multiply
    14,922.15x = 22,429.71 × 9,410.91
  4. Step 4: Simplify right side
    14,922.15x = 211,083,982.14
  5. Step 5: Solve for x
    x = 211,083,982.14/14,922.15
  6. Step 6: Final answer
    x = 14,145.68

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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.