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Finding the Fourth Proportional to 5,606.66, 7,737.86 and 3,248.88

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Solution

The fourth proportional to 5,606.66, 7,737.86 and 3,248.88 is: 4,483.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,606.66 : 7,737.86 = 3,248.88 : x
  2. Step 2: Convert to fraction form
    5,606.66/7,737.86 = 3,248.88/x
  3. Step 3: Cross multiply
    5,606.66x = 7,737.86 × 3,248.88
  4. Step 4: Simplify right side
    5,606.66x = 25,139,378.60
  5. Step 5: Solve for x
    x = 25,139,378.60/5,606.66
  6. Step 6: Final answer
    x = 4,483.84

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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.