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Finding the Fourth Proportional to 6,352.70, 9,529.05 and 1,970.60

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Solution

The fourth proportional to 6,352.70, 9,529.05 and 1,970.60 is: 2,955.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,352.70 : 9,529.05 = 1,970.60 : x
  2. Step 2: Convert to fraction form
    6,352.70/9,529.05 = 1,970.60/x
  3. Step 3: Cross multiply
    6,352.70x = 9,529.05 × 1,970.60
  4. Step 4: Simplify right side
    6,352.70x = 18,777,945.93
  5. Step 5: Solve for x
    x = 18,777,945.93/6,352.70
  6. Step 6: Final answer
    x = 2,955.90

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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.