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Finding the Fourth Proportional to 2,695.71, 4,043.56 and 1,053.41

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Solution

The fourth proportional to 2,695.71, 4,043.56 and 1,053.41 is: 1,580.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,695.71 : 4,043.56 = 1,053.41 : x
  2. Step 2: Convert to fraction form
    2,695.71/4,043.56 = 1,053.41/x
  3. Step 3: Cross multiply
    2,695.71x = 4,043.56 × 1,053.41
  4. Step 4: Simplify right side
    2,695.71x = 4,259,526.54
  5. Step 5: Solve for x
    x = 4,259,526.54/2,695.71
  6. Step 6: Final answer
    x = 1,580.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.