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Finding the Fourth Proportional to 2,321.97, 3,203.23 and 1,437.45

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Solution

The fourth proportional to 2,321.97, 3,203.23 and 1,437.45 is: 1,983.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.97 : 3,203.23 = 1,437.45 : x
  2. Step 2: Convert to fraction form
    2,321.97/3,203.23 = 1,437.45/x
  3. Step 3: Cross multiply
    2,321.97x = 3,203.23 × 1,437.45
  4. Step 4: Simplify right side
    2,321.97x = 4,604,482.96
  5. Step 5: Solve for x
    x = 4,604,482.96/2,321.97
  6. Step 6: Final answer
    x = 1,983.01

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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.