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Finding the Fourth Proportional to 8,700.50, 13,033.46 and 4,304.54

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Solution

The fourth proportional to 8,700.50, 13,033.46 and 4,304.54 is: 6,448.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700.50 : 13,033.46 = 4,304.54 : x
  2. Step 2: Convert to fraction form
    8,700.50/13,033.46 = 4,304.54/x
  3. Step 3: Cross multiply
    8,700.50x = 13,033.46 × 4,304.54
  4. Step 4: Simplify right side
    8,700.50x = 56,103,049.91
  5. Step 5: Solve for x
    x = 56,103,049.91/8,700.50
  6. Step 6: Final answer
    x = 6,448.26

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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.