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Finding the Fourth Proportional to 1,602.92, 2,211.37 and 1,160.06

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Solution

The fourth proportional to 1,602.92, 2,211.37 and 1,160.06 is: 1,600.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602.92 : 2,211.37 = 1,160.06 : x
  2. Step 2: Convert to fraction form
    1,602.92/2,211.37 = 1,160.06/x
  3. Step 3: Cross multiply
    1,602.92x = 2,211.37 × 1,160.06
  4. Step 4: Simplify right side
    1,602.92x = 2,565,307.93
  5. Step 5: Solve for x
    x = 2,565,307.93/1,602.92
  6. Step 6: Final answer
    x = 1,600.39

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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.