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Finding the Fourth Proportional to 15,761.94, 23,642.94 and 10,816.62

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Solution

The fourth proportional to 15,761.94, 23,642.94 and 10,816.62 is: 16,224.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,761.94 : 23,642.94 = 10,816.62 : x
  2. Step 2: Convert to fraction form
    15,761.94/23,642.94 = 10,816.62/x
  3. Step 3: Cross multiply
    15,761.94x = 23,642.94 × 10,816.62
  4. Step 4: Simplify right side
    15,761.94x = 255,736,697.66
  5. Step 5: Solve for x
    x = 255,736,697.66/15,761.94
  6. Step 6: Final answer
    x = 16,224.95

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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.