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Finding the Fourth Proportional to 4,689.74, 7,013.28 and 3,504.62

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Solution

The fourth proportional to 4,689.74, 7,013.28 and 3,504.62 is: 5,240.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.74 : 7,013.28 = 3,504.62 : x
  2. Step 2: Convert to fraction form
    4,689.74/7,013.28 = 3,504.62/x
  3. Step 3: Cross multiply
    4,689.74x = 7,013.28 × 3,504.62
  4. Step 4: Simplify right side
    4,689.74x = 24,578,881.35
  5. Step 5: Solve for x
    x = 24,578,881.35/4,689.74
  6. Step 6: Final answer
    x = 5,240.99

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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.