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Finding the Fourth Proportional to 34,557.64, 51,933.96 and 20,520.10

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Solution

The fourth proportional to 34,557.64, 51,933.96 and 20,520.10 is: 30,838.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,557.64 : 51,933.96 = 20,520.10 : x
  2. Step 2: Convert to fraction form
    34,557.64/51,933.96 = 20,520.10/x
  3. Step 3: Cross multiply
    34,557.64x = 51,933.96 × 20,520.10
  4. Step 4: Simplify right side
    34,557.64x = 1,065,690,052.60
  5. Step 5: Solve for x
    x = 1,065,690,052.60/34,557.64
  6. Step 6: Final answer
    x = 30,838.04

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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.