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Finding the Fourth Proportional to 5,671.04, 7,824.16 and 3,432.06

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Solution

The fourth proportional to 5,671.04, 7,824.16 and 3,432.06 is: 4,735.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,671.04 : 7,824.16 = 3,432.06 : x
  2. Step 2: Convert to fraction form
    5,671.04/7,824.16 = 3,432.06/x
  3. Step 3: Cross multiply
    5,671.04x = 7,824.16 × 3,432.06
  4. Step 4: Simplify right side
    5,671.04x = 26,852,969.41
  5. Step 5: Solve for x
    x = 26,852,969.41/5,671.04
  6. Step 6: Final answer
    x = 4,735.11

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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.