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Finding the Fourth Proportional to 1,604.46, 2,213.53 and 932.15

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Solution

The fourth proportional to 1,604.46, 2,213.53 and 932.15 is: 1,286.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604.46 : 2,213.53 = 932.15 : x
  2. Step 2: Convert to fraction form
    1,604.46/2,213.53 = 932.15/x
  3. Step 3: Cross multiply
    1,604.46x = 2,213.53 × 932.15
  4. Step 4: Simplify right side
    1,604.46x = 2,063,345.19
  5. Step 5: Solve for x
    x = 2,063,345.19/1,604.46
  6. Step 6: Final answer
    x = 1,286.01

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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.