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Finding the Fourth Proportional to 3,544.66, 5,312.76 and 1,983.76

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Solution

The fourth proportional to 3,544.66, 5,312.76 and 1,983.76 is: 2,973.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,544.66 : 5,312.76 = 1,983.76 : x
  2. Step 2: Convert to fraction form
    3,544.66/5,312.76 = 1,983.76/x
  3. Step 3: Cross multiply
    3,544.66x = 5,312.76 × 1,983.76
  4. Step 4: Simplify right side
    3,544.66x = 10,539,240.78
  5. Step 5: Solve for x
    x = 10,539,240.78/3,544.66
  6. Step 6: Final answer
    x = 2,973.27

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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.