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Finding the Fourth Proportional to 2,636, 3,637.32 and 1,456.76

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Solution

The fourth proportional to 2,636, 3,637.32 and 1,456.76 is: 2,010.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636 : 3,637.32 = 1,456.76 : x
  2. Step 2: Convert to fraction form
    2,636/3,637.32 = 1,456.76/x
  3. Step 3: Cross multiply
    2,636x = 3,637.32 × 1,456.76
  4. Step 4: Simplify right side
    2,636x = 5,298,702.28
  5. Step 5: Solve for x
    x = 5,298,702.28/2,636
  6. Step 6: Final answer
    x = 2,010.13

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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.