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Finding the Fourth Proportional to 1,636.96, 2,258.16 and 1,014.88

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Solution

The fourth proportional to 1,636.96, 2,258.16 and 1,014.88 is: 1,400.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636.96 : 2,258.16 = 1,014.88 : x
  2. Step 2: Convert to fraction form
    1,636.96/2,258.16 = 1,014.88/x
  3. Step 3: Cross multiply
    1,636.96x = 2,258.16 × 1,014.88
  4. Step 4: Simplify right side
    1,636.96x = 2,291,761.42
  5. Step 5: Solve for x
    x = 2,291,761.42/1,636.96
  6. Step 6: Final answer
    x = 1,400.01

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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.