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Finding the Fourth Proportional to 737.12, 1,017.60 and 696.92

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Solution

The fourth proportional to 737.12, 1,017.60 and 696.92 is: 962.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    737.12 : 1,017.60 = 696.92 : x
  2. Step 2: Convert to fraction form
    737.12/1,017.60 = 696.92/x
  3. Step 3: Cross multiply
    737.12x = 1,017.60 × 696.92
  4. Step 4: Simplify right side
    737.12x = 709,185.79
  5. Step 5: Solve for x
    x = 709,185.79/737.12
  6. Step 6: Final answer
    x = 962.10

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1.5x scale

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.