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Finding the Fourth Proportional to 28,955.56, 43,440.83 and 16,957.84

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Solution

The fourth proportional to 28,955.56, 43,440.83 and 16,957.84 is: 25,441.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,955.56 : 43,440.83 = 16,957.84 : x
  2. Step 2: Convert to fraction form
    28,955.56/43,440.83 = 16,957.84/x
  3. Step 3: Cross multiply
    28,955.56x = 43,440.83 × 16,957.84
  4. Step 4: Simplify right side
    28,955.56x = 736,662,644.61
  5. Step 5: Solve for x
    x = 736,662,644.61/28,955.56
  6. Step 6: Final answer
    x = 25,441.15

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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.