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Finding the Fourth Proportional to 34,295.80, 51,447.42 and 10,916.80

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Solution

The fourth proportional to 34,295.80, 51,447.42 and 10,916.80 is: 16,376.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,295.80 : 51,447.42 = 10,916.80 : x
  2. Step 2: Convert to fraction form
    34,295.80/51,447.42 = 10,916.80/x
  3. Step 3: Cross multiply
    34,295.80x = 51,447.42 × 10,916.80
  4. Step 4: Simplify right side
    34,295.80x = 561,641,194.66
  5. Step 5: Solve for x
    x = 561,641,194.66/34,295.80
  6. Step 6: Final answer
    x = 16,376.38

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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.