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Finding the Fourth Proportional to 3,735.64, 5,572.31 and 3,607.66

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Solution

The fourth proportional to 3,735.64, 5,572.31 and 3,607.66 is: 5,381.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,735.64 : 5,572.31 = 3,607.66 : x
  2. Step 2: Convert to fraction form
    3,735.64/5,572.31 = 3,607.66/x
  3. Step 3: Cross multiply
    3,735.64x = 5,572.31 × 3,607.66
  4. Step 4: Simplify right side
    3,735.64x = 20,102,999.89
  5. Step 5: Solve for x
    x = 20,102,999.89/3,735.64
  6. Step 6: Final answer
    x = 5,381.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.