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Finding the Fourth Proportional to 32,485.80, 48,704.40 and 17,711.40

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Solution

The fourth proportional to 32,485.80, 48,704.40 and 17,711.40 is: 26,553.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,485.80 : 48,704.40 = 17,711.40 : x
  2. Step 2: Convert to fraction form
    32,485.80/48,704.40 = 17,711.40/x
  3. Step 3: Cross multiply
    32,485.80x = 48,704.40 × 17,711.40
  4. Step 4: Simplify right side
    32,485.80x = 862,623,110.16
  5. Step 5: Solve for x
    x = 862,623,110.16/32,485.80
  6. Step 6: Final answer
    x = 26,553.85

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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.