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Finding the Fourth Proportional to 8,704.64, 13,057.48 and 3,510.48

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Solution

The fourth proportional to 8,704.64, 13,057.48 and 3,510.48 is: 5,265.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,704.64 : 13,057.48 = 3,510.48 : x
  2. Step 2: Convert to fraction form
    8,704.64/13,057.48 = 3,510.48/x
  3. Step 3: Cross multiply
    8,704.64x = 13,057.48 × 3,510.48
  4. Step 4: Simplify right side
    8,704.64x = 45,838,022.39
  5. Step 5: Solve for x
    x = 45,838,022.39/8,704.64
  6. Step 6: Final answer
    x = 5,265.93

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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.