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Finding the Fourth Proportional to 22,407.03, 30,916.89 and 17,704.98

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Solution

The fourth proportional to 22,407.03, 30,916.89 and 17,704.98 is: 24,429.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,407.03 : 30,916.89 = 17,704.98 : x
  2. Step 2: Convert to fraction form
    22,407.03/30,916.89 = 17,704.98/x
  3. Step 3: Cross multiply
    22,407.03x = 30,916.89 × 17,704.98
  4. Step 4: Simplify right side
    22,407.03x = 547,382,919.11
  5. Step 5: Solve for x
    x = 547,382,919.11/22,407.03
  6. Step 6: Final answer
    x = 24,429.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.