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Finding the Fourth Proportional to 1,157.22, 1,596.51 and 737.46

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Solution

The fourth proportional to 1,157.22, 1,596.51 and 737.46 is: 1,017.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157.22 : 1,596.51 = 737.46 : x
  2. Step 2: Convert to fraction form
    1,157.22/1,596.51 = 737.46/x
  3. Step 3: Cross multiply
    1,157.22x = 1,596.51 × 737.46
  4. Step 4: Simplify right side
    1,157.22x = 1,177,362.26
  5. Step 5: Solve for x
    x = 1,177,362.26/1,157.22
  6. Step 6: Final answer
    x = 1,017.41

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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.