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Finding the Fourth Proportional to 8,700.57, 13,052.67 and 3,506.44

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Solution

The fourth proportional to 8,700.57, 13,052.67 and 3,506.44 is: 5,260.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700.57 : 13,052.67 = 3,506.44 : x
  2. Step 2: Convert to fraction form
    8,700.57/13,052.67 = 3,506.44/x
  3. Step 3: Cross multiply
    8,700.57x = 13,052.67 × 3,506.44
  4. Step 4: Simplify right side
    8,700.57x = 45,768,404.19
  5. Step 5: Solve for x
    x = 45,768,404.19/8,700.57
  6. Step 6: Final answer
    x = 5,260.39

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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.