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Finding the Fourth Proportional to 5,970.72, 8,957.60 and 3,507.63

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Solution

The fourth proportional to 5,970.72, 8,957.60 and 3,507.63 is: 5,262.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,970.72 : 8,957.60 = 3,507.63 : x
  2. Step 2: Convert to fraction form
    5,970.72/8,957.60 = 3,507.63/x
  3. Step 3: Cross multiply
    5,970.72x = 8,957.60 × 3,507.63
  4. Step 4: Simplify right side
    5,970.72x = 31,419,946.49
  5. Step 5: Solve for x
    x = 31,419,946.49/5,970.72
  6. Step 6: Final answer
    x = 5,262.34

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1.5x scale

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.