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Finding the Fourth Proportional to 29,915.64, 44,873.46 and 14,115.48

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Solution

The fourth proportional to 29,915.64, 44,873.46 and 14,115.48 is: 21,173.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,915.64 : 44,873.46 = 14,115.48 : x
  2. Step 2: Convert to fraction form
    29,915.64/44,873.46 = 14,115.48/x
  3. Step 3: Cross multiply
    29,915.64x = 44,873.46 × 14,115.48
  4. Step 4: Simplify right side
    29,915.64x = 633,410,427.16
  5. Step 5: Solve for x
    x = 633,410,427.16/29,915.64
  6. Step 6: Final answer
    x = 21,173.22

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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.