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Finding the Fourth Proportional to 14,947.02, 20,627.02 and 8,232.88

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Solution

The fourth proportional to 14,947.02, 20,627.02 and 8,232.88 is: 11,361.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947.02 : 20,627.02 = 8,232.88 : x
  2. Step 2: Convert to fraction form
    14,947.02/20,627.02 = 8,232.88/x
  3. Step 3: Cross multiply
    14,947.02x = 20,627.02 × 8,232.88
  4. Step 4: Simplify right side
    14,947.02x = 169,819,780.42
  5. Step 5: Solve for x
    x = 169,819,780.42/14,947.02
  6. Step 6: Final answer
    x = 11,361.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.