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Finding the Fourth Proportional to 7,476.70, 11,210.19 and 3,583.30

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Solution

The fourth proportional to 7,476.70, 11,210.19 and 3,583.30 is: 5,372.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,476.70 : 11,210.19 = 3,583.30 : x
  2. Step 2: Convert to fraction form
    7,476.70/11,210.19 = 3,583.30/x
  3. Step 3: Cross multiply
    7,476.70x = 11,210.19 × 3,583.30
  4. Step 4: Simplify right side
    7,476.70x = 40,169,473.83
  5. Step 5: Solve for x
    x = 40,169,473.83/7,476.70
  6. Step 6: Final answer
    x = 5,372.62

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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.