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Finding the Fourth Proportional to 5,003.56, 7,506.08 and 1,715.91

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Solution

The fourth proportional to 5,003.56, 7,506.08 and 1,715.91 is: 2,574.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,003.56 : 7,506.08 = 1,715.91 : x
  2. Step 2: Convert to fraction form
    5,003.56/7,506.08 = 1,715.91/x
  3. Step 3: Cross multiply
    5,003.56x = 7,506.08 × 1,715.91
  4. Step 4: Simplify right side
    5,003.56x = 12,879,757.73
  5. Step 5: Solve for x
    x = 12,879,757.73/5,003.56
  6. Step 6: Final answer
    x = 2,574.12

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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.