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Finding the Fourth Proportional to 34,325.59, 51,479.74 and 10,939.99

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Solution

The fourth proportional to 34,325.59, 51,479.74 and 10,939.99 is: 16,407.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,325.59 : 51,479.74 = 10,939.99 : x
  2. Step 2: Convert to fraction form
    34,325.59/51,479.74 = 10,939.99/x
  3. Step 3: Cross multiply
    34,325.59x = 51,479.74 × 10,939.99
  4. Step 4: Simplify right side
    34,325.59x = 563,187,840.80
  5. Step 5: Solve for x
    x = 563,187,840.80/34,325.59
  6. Step 6: Final answer
    x = 16,407.23

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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.