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Finding the Fourth Proportional to 23,697.40, 35,540.63 and 8,907.81

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Solution

The fourth proportional to 23,697.40, 35,540.63 and 8,907.81 is: 13,359.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,697.40 : 35,540.63 = 8,907.81 : x
  2. Step 2: Convert to fraction form
    23,697.40/35,540.63 = 8,907.81/x
  3. Step 3: Cross multiply
    23,697.40x = 35,540.63 × 8,907.81
  4. Step 4: Simplify right side
    23,697.40x = 316,589,134.78
  5. Step 5: Solve for x
    x = 316,589,134.78/23,697.40
  6. Step 6: Final answer
    x = 13,359.66

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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.