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Finding the Fourth Proportional to 2,608.66, 3,599.93 and 1,429.73

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Solution

The fourth proportional to 2,608.66, 3,599.93 and 1,429.73 is: 1,973.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,608.66 : 3,599.93 = 1,429.73 : x
  2. Step 2: Convert to fraction form
    2,608.66/3,599.93 = 1,429.73/x
  3. Step 3: Cross multiply
    2,608.66x = 3,599.93 × 1,429.73
  4. Step 4: Simplify right side
    2,608.66x = 5,146,916.22
  5. Step 5: Solve for x
    x = 5,146,916.22/2,608.66
  6. Step 6: Final answer
    x = 1,973.01

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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.