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Finding the Fourth Proportional to 2,726.64, 3,762.96 and 1,547.64

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Solution

The fourth proportional to 2,726.64, 3,762.96 and 1,547.64 is: 2,135.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726.64 : 3,762.96 = 1,547.64 : x
  2. Step 2: Convert to fraction form
    2,726.64/3,762.96 = 1,547.64/x
  3. Step 3: Cross multiply
    2,726.64x = 3,762.96 × 1,547.64
  4. Step 4: Simplify right side
    2,726.64x = 5,823,707.41
  5. Step 5: Solve for x
    x = 5,823,707.41/2,726.64
  6. Step 6: Final answer
    x = 2,135.85

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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.