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Finding the Fourth Proportional to 3,580.65, 4,941.32 and 2,008.76

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Solution

The fourth proportional to 3,580.65, 4,941.32 and 2,008.76 is: 2,772.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.65 : 4,941.32 = 2,008.76 : x
  2. Step 2: Convert to fraction form
    3,580.65/4,941.32 = 2,008.76/x
  3. Step 3: Cross multiply
    3,580.65x = 4,941.32 × 2,008.76
  4. Step 4: Simplify right side
    3,580.65x = 9,925,891.21
  5. Step 5: Solve for x
    x = 9,925,891.21/3,580.65
  6. Step 6: Final answer
    x = 2,772.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.