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Finding the Fourth Proportional to 36,605.10, 54,907.65 and 8,903.10

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Solution

The fourth proportional to 36,605.10, 54,907.65 and 8,903.10 is: 13,354.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,605.10 : 54,907.65 = 8,903.10 : x
  2. Step 2: Convert to fraction form
    36,605.10/54,907.65 = 8,903.10/x
  3. Step 3: Cross multiply
    36,605.10x = 54,907.65 × 8,903.10
  4. Step 4: Simplify right side
    36,605.10x = 488,848,298.72
  5. Step 5: Solve for x
    x = 488,848,298.72/36,605.10
  6. Step 6: Final answer
    x = 13,354.65

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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.