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Finding the Fourth Proportional to 28,150.94, 38,846.94 and 16,051.87

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Solution

The fourth proportional to 28,150.94, 38,846.94 and 16,051.87 is: 22,150.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,150.94 : 38,846.94 = 16,051.87 : x
  2. Step 2: Convert to fraction form
    28,150.94/38,846.94 = 16,051.87/x
  3. Step 3: Cross multiply
    28,150.94x = 38,846.94 × 16,051.87
  4. Step 4: Simplify right side
    28,150.94x = 623,566,030.78
  5. Step 5: Solve for x
    x = 623,566,030.78/28,150.94
  6. Step 6: Final answer
    x = 22,150.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.