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Finding the Fourth Proportional to 10,625.35, 15,940.13 and 5,951.99

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Solution

The fourth proportional to 10,625.35, 15,940.13 and 5,951.99 is: 8,929.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,625.35 : 15,940.13 = 5,951.99 : x
  2. Step 2: Convert to fraction form
    10,625.35/15,940.13 = 5,951.99/x
  3. Step 3: Cross multiply
    10,625.35x = 15,940.13 × 5,951.99
  4. Step 4: Simplify right side
    10,625.35x = 94,875,494.36
  5. Step 5: Solve for x
    x = 94,875,494.36/10,625.35
  6. Step 6: Final answer
    x = 8,929.16

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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.