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Finding the Fourth Proportional to 1,482.21, 2,223.27 and 832.95

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Solution

The fourth proportional to 1,482.21, 2,223.27 and 832.95 is: 1,249.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482.21 : 2,223.27 = 832.95 : x
  2. Step 2: Convert to fraction form
    1,482.21/2,223.27 = 832.95/x
  3. Step 3: Cross multiply
    1,482.21x = 2,223.27 × 832.95
  4. Step 4: Simplify right side
    1,482.21x = 1,851,872.75
  5. Step 5: Solve for x
    x = 1,851,872.75/1,482.21
  6. Step 6: Final answer
    x = 1,249.40

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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.