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Finding the Fourth Proportional to 85,226.63, 127,858.39 and 32,636.11

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Solution

The fourth proportional to 85,226.63, 127,858.39 and 32,636.11 is: 48,961.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,226.63 : 127,858.39 = 32,636.11 : x
  2. Step 2: Convert to fraction form
    85,226.63/127,858.39 = 32,636.11/x
  3. Step 3: Cross multiply
    85,226.63x = 127,858.39 × 32,636.11
  4. Step 4: Simplify right side
    85,226.63x = 4,172,800,681.08
  5. Step 5: Solve for x
    x = 4,172,800,681.08/85,226.63
  6. Step 6: Final answer
    x = 48,961.23

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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.