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Finding the Fourth Proportional to 3,609.93, 4,981.62 and 2,037.99

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Solution

The fourth proportional to 3,609.93, 4,981.62 and 2,037.99 is: 2,812.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.93 : 4,981.62 = 2,037.99 : x
  2. Step 2: Convert to fraction form
    3,609.93/4,981.62 = 2,037.99/x
  3. Step 3: Cross multiply
    3,609.93x = 4,981.62 × 2,037.99
  4. Step 4: Simplify right side
    3,609.93x = 10,152,491.74
  5. Step 5: Solve for x
    x = 10,152,491.74/3,609.93
  6. Step 6: Final answer
    x = 2,812.38

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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.