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Finding the Fourth Proportional to 27,203.28, 40,811.22 and 8,482.32

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Solution

The fourth proportional to 27,203.28, 40,811.22 and 8,482.32 is: 12,725.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,203.28 : 40,811.22 = 8,482.32 : x
  2. Step 2: Convert to fraction form
    27,203.28/40,811.22 = 8,482.32/x
  3. Step 3: Cross multiply
    27,203.28x = 40,811.22 × 8,482.32
  4. Step 4: Simplify right side
    27,203.28x = 346,173,827.63
  5. Step 5: Solve for x
    x = 346,173,827.63/27,203.28
  6. Step 6: Final answer
    x = 12,725.44

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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.