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Finding the Fourth Proportional to 3,573.71, 4,929.42 and 2,577.41

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Solution

The fourth proportional to 3,573.71, 4,929.42 and 2,577.41 is: 3,555.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573.71 : 4,929.42 = 2,577.41 : x
  2. Step 2: Convert to fraction form
    3,573.71/4,929.42 = 2,577.41/x
  3. Step 3: Cross multiply
    3,573.71x = 4,929.42 × 2,577.41
  4. Step 4: Simplify right side
    3,573.71x = 12,705,136.40
  5. Step 5: Solve for x
    x = 12,705,136.40/3,573.71
  6. Step 6: Final answer
    x = 3,555.17

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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.