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Finding the Fourth Proportional to 34,916.39, 52,382.78 and 9,956.80

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Solution

The fourth proportional to 34,916.39, 52,382.78 and 9,956.80 is: 14,937.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,916.39 : 52,382.78 = 9,956.80 : x
  2. Step 2: Convert to fraction form
    34,916.39/52,382.78 = 9,956.80/x
  3. Step 3: Cross multiply
    34,916.39x = 52,382.78 × 9,956.80
  4. Step 4: Simplify right side
    34,916.39x = 521,564,863.90
  5. Step 5: Solve for x
    x = 521,564,863.90/34,916.39
  6. Step 6: Final answer
    x = 14,937.54

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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.