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Finding the Fourth Proportional to 1,602.74, 2,390.14 and 1,533.08

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Solution

The fourth proportional to 1,602.74, 2,390.14 and 1,533.08 is: 2,286.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602.74 : 2,390.14 = 1,533.08 : x
  2. Step 2: Convert to fraction form
    1,602.74/2,390.14 = 1,533.08/x
  3. Step 3: Cross multiply
    1,602.74x = 2,390.14 × 1,533.08
  4. Step 4: Simplify right side
    1,602.74x = 3,664,275.83
  5. Step 5: Solve for x
    x = 3,664,275.83/1,602.74
  6. Step 6: Final answer
    x = 2,286.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.