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Finding the Fourth Proportional to 1,364.14, 1,882.04 and 832.88

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Solution

The fourth proportional to 1,364.14, 1,882.04 and 832.88 is: 1,149.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364.14 : 1,882.04 = 832.88 : x
  2. Step 2: Convert to fraction form
    1,364.14/1,882.04 = 832.88/x
  3. Step 3: Cross multiply
    1,364.14x = 1,882.04 × 832.88
  4. Step 4: Simplify right side
    1,364.14x = 1,567,504.07
  5. Step 5: Solve for x
    x = 1,567,504.07/1,364.14
  6. Step 6: Final answer
    x = 1,149.08

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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.