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Finding the Fourth Proportional to 28,185.58, 38,807.49 and 23,928.22

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Solution

The fourth proportional to 28,185.58, 38,807.49 and 23,928.22 is: 32,945.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,185.58 : 38,807.49 = 23,928.22 : x
  2. Step 2: Convert to fraction form
    28,185.58/38,807.49 = 23,928.22/x
  3. Step 3: Cross multiply
    28,185.58x = 38,807.49 × 23,928.22
  4. Step 4: Simplify right side
    28,185.58x = 928,594,158.37
  5. Step 5: Solve for x
    x = 928,594,158.37/28,185.58
  6. Step 6: Final answer
    x = 32,945.72

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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.