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Finding the Fourth Proportional to 5,002.68, 7,504.04 and 1,715.80

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Solution

The fourth proportional to 5,002.68, 7,504.04 and 1,715.80 is: 2,573.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,002.68 : 7,504.04 = 1,715.80 : x
  2. Step 2: Convert to fraction form
    5,002.68/7,504.04 = 1,715.80/x
  3. Step 3: Cross multiply
    5,002.68x = 7,504.04 × 1,715.80
  4. Step 4: Simplify right side
    5,002.68x = 12,875,431.83
  5. Step 5: Solve for x
    x = 12,875,431.83/5,002.68
  6. Step 6: Final answer
    x = 2,573.71

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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.