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Finding the Fourth Proportional to 14,622.78, 21,934.07 and 9,360.42

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Solution

The fourth proportional to 14,622.78, 21,934.07 and 9,360.42 is: 14,040.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,622.78 : 21,934.07 = 9,360.42 : x
  2. Step 2: Convert to fraction form
    14,622.78/21,934.07 = 9,360.42/x
  3. Step 3: Cross multiply
    14,622.78x = 21,934.07 × 9,360.42
  4. Step 4: Simplify right side
    14,622.78x = 205,312,107.51
  5. Step 5: Solve for x
    x = 205,312,107.51/14,622.78
  6. Step 6: Final answer
    x = 14,040.57

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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.