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Finding the Fourth Proportional to 2,937.63, 4,406.57 and 746.38

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Solution

The fourth proportional to 2,937.63, 4,406.57 and 746.38 is: 1,119.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.63 : 4,406.57 = 746.38 : x
  2. Step 2: Convert to fraction form
    2,937.63/4,406.57 = 746.38/x
  3. Step 3: Cross multiply
    2,937.63x = 4,406.57 × 746.38
  4. Step 4: Simplify right side
    2,937.63x = 3,288,980.29
  5. Step 5: Solve for x
    x = 3,288,980.29/2,937.63
  6. Step 6: Final answer
    x = 1,119.60

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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.