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Finding the Fourth Proportional to 23,165.64, 34,748.51 and 8,374.53

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Solution

The fourth proportional to 23,165.64, 34,748.51 and 8,374.53 is: 12,561.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,165.64 : 34,748.51 = 8,374.53 : x
  2. Step 2: Convert to fraction form
    23,165.64/34,748.51 = 8,374.53/x
  3. Step 3: Cross multiply
    23,165.64x = 34,748.51 × 8,374.53
  4. Step 4: Simplify right side
    23,165.64x = 291,002,439.45
  5. Step 5: Solve for x
    x = 291,002,439.45/23,165.64
  6. Step 6: Final answer
    x = 12,561.81

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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.