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Finding the Fourth Proportional to 1,330.04, 1,834.96 and 832.49

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Solution

The fourth proportional to 1,330.04, 1,834.96 and 832.49 is: 1,148.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330.04 : 1,834.96 = 832.49 : x
  2. Step 2: Convert to fraction form
    1,330.04/1,834.96 = 832.49/x
  3. Step 3: Cross multiply
    1,330.04x = 1,834.96 × 832.49
  4. Step 4: Simplify right side
    1,330.04x = 1,527,585.85
  5. Step 5: Solve for x
    x = 1,527,585.85/1,330.04
  6. Step 6: Final answer
    x = 1,148.53

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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.