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Finding the Fourth Proportional to 737.60, 1,012.46 and 652.86

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Solution

The fourth proportional to 737.60, 1,012.46 and 652.86 is: 896.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    737.60 : 1,012.46 = 652.86 : x
  2. Step 2: Convert to fraction form
    737.60/1,012.46 = 652.86/x
  3. Step 3: Cross multiply
    737.60x = 1,012.46 × 652.86
  4. Step 4: Simplify right side
    737.60x = 660,991.37
  5. Step 5: Solve for x
    x = 660,991.37/737.60
  6. Step 6: Final answer
    x = 896.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.