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Finding the Fourth Proportional to 1,496.21, 2,065.64 and 937.49

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Solution

The fourth proportional to 1,496.21, 2,065.64 and 937.49 is: 1,294.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496.21 : 2,065.64 = 937.49 : x
  2. Step 2: Convert to fraction form
    1,496.21/2,065.64 = 937.49/x
  3. Step 3: Cross multiply
    1,496.21x = 2,065.64 × 937.49
  4. Step 4: Simplify right side
    1,496.21x = 1,936,501.83
  5. Step 5: Solve for x
    x = 1,936,501.83/1,496.21
  6. Step 6: Final answer
    x = 1,294.28

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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.