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Finding the Fourth Proportional to 15,939.51, 23,901.03 and 7,166.94

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Solution

The fourth proportional to 15,939.51, 23,901.03 and 7,166.94 is: 10,746.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,939.51 : 23,901.03 = 7,166.94 : x
  2. Step 2: Convert to fraction form
    15,939.51/23,901.03 = 7,166.94/x
  3. Step 3: Cross multiply
    15,939.51x = 23,901.03 × 7,166.94
  4. Step 4: Simplify right side
    15,939.51x = 171,297,247.95
  5. Step 5: Solve for x
    x = 171,297,247.95/15,939.51
  6. Step 6: Final answer
    x = 10,746.71

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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.